Update user friendly errors for translations (#15000)

Force msg typing instead of string for user friendly errors

packages/twenty-front/src/modules/apollo/services/apollo.factory.ts

@@ -96,11 +96,14 @@ export class ApolloFactory<TCacheShape> implements ApolloManager<TCacheShape> {
       const authLink = setContext(async (_, { headers }) => {
         const tokenPair = getTokenPair();
 
+        const locale = this.currentWorkspaceMember?.locale ?? i18n.locale;
+
         if (isUndefinedOrNull(tokenPair)) {
           return {
             headers: {
               ...headers,
               ...options.headers,
+              'x-locale': locale,
             },
           };
         }
@@ -112,9 +115,7 @@ export class ApolloFactory<TCacheShape> implements ApolloManager<TCacheShape> {
             ...headers,
             ...options.headers,
             authorization: token ? `Bearer ${token}` : '',
-            ...(this.currentWorkspaceMember?.locale
-              ? { 'x-locale': this.currentWorkspaceMember.locale }
-              : { 'x-locale': i18n.locale }),
+            'x-locale': locale,
             ...(this.currentWorkspace?.metadataVersion && {
               'X-Schema-Version': `${this.currentWorkspace.metadataVersion}`,
             }),

packages/twenty-server/src/engine/api/graphql/graphql-config/graphql-config.service.ts

@@ -24,6 +24,7 @@ import { CoreEngineModule } from 'src/engine/core-modules/core-engine.module';
 import { ExceptionHandlerService } from 'src/engine/core-modules/exception-handler/exception-handler.service';
 import { useSentryTracing } from 'src/engine/core-modules/exception-handler/hooks/use-sentry-tracing';
 import { useGraphQLErrorHandlerHook } from 'src/engine/core-modules/graphql/hooks/use-graphql-error-handler.hook';
+import { I18nService } from 'src/engine/core-modules/i18n/i18n.service';
 import { MetricsService } from 'src/engine/core-modules/metrics/metrics.service';
 import { TwentyConfigService } from 'src/engine/core-modules/twenty-config/twenty-config.service';
 import { type User } from 'src/engine/core-modules/user/user.entity';
@@ -47,6 +48,7 @@ export class GraphQLConfigService
     private readonly moduleRef: ModuleRef,
     private readonly metricsService: MetricsService,
     private readonly dataloaderService: DataloaderService,
+    private readonly i18nService: I18nService,
   ) {}
 
   createGqlOptions(): YogaDriverConfig {
@@ -63,6 +65,7 @@ export class GraphQLConfigService
       useGraphQLErrorHandlerHook({
         metricsService: this.metricsService,
         exceptionHandlerService: this.exceptionHandlerService,
+        i18nService: this.i18nService,
         twentyConfigService: this.twentyConfigService,
       }),
     ];

packages/twenty-server/src/engine/api/graphql/graphql-query-runner/resolvers/graphql-query-create-many-resolver.service.ts

@@ -1,6 +1,6 @@
 import { Injectable } from '@nestjs/common';
 
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { QUERY_MAX_RECORDS } from 'twenty-shared/constants';
 import { capitalize, isDefined } from 'twenty-shared/utils';
 import {
@@ -47,7 +47,7 @@ export class GraphqlQueryCreateManyResolverService extends GraphqlQueryBaseResol
         `Maximum number of records to upsert is ${QUERY_MAX_RECORDS}.`,
         GraphqlQueryRunnerExceptionCode.UPSERT_MAX_RECORDS_EXCEEDED,
         {
-          userFriendlyMessage: t`Maximum number of records to upsert is ${QUERY_MAX_RECORDS}.`,
+          userFriendlyMessage: msg`Maximum number of records to upsert is ${QUERY_MAX_RECORDS}.`,
         },
       );
     }
@@ -359,7 +359,7 @@ export class GraphqlQueryCreateManyResolverService extends GraphqlQueryBaseResol
         `Multiple records found with the same unique field values for ${conflictingFieldsValues}. Cannot determine which record to update.`,
         GraphqlQueryRunnerExceptionCode.UPSERT_MULTIPLE_MATCHING_RECORDS_CONFLICT,
         {
-          userFriendlyMessage: t`Multiple records found with the same unique field values for ${conflictingFieldsValues}. Cannot determine which record to update.`,
+          userFriendlyMessage: msg`Multiple records found with the same unique field values for ${conflictingFieldsValues}. Cannot determine which record to update.`,
         },
       );
     }

packages/twenty-server/src/engine/api/graphql/metadata-graphql-api.module.ts

@@ -7,6 +7,8 @@ import { GraphQLConfigModule } from 'src/engine/api/graphql/graphql-config/graph
 import { metadataModuleFactory } from 'src/engine/api/graphql/metadata.module-factory';
 import { CacheStorageNamespace } from 'src/engine/core-modules/cache-storage/types/cache-storage-namespace.enum';
 import { ExceptionHandlerService } from 'src/engine/core-modules/exception-handler/exception-handler.service';
+import { I18nModule } from 'src/engine/core-modules/i18n/i18n.module';
+import { I18nService } from 'src/engine/core-modules/i18n/i18n.service';
 import { MetricsModule } from 'src/engine/core-modules/metrics/metrics.module';
 import { MetricsService } from 'src/engine/core-modules/metrics/metrics.service';
 import { TwentyConfigService } from 'src/engine/core-modules/twenty-config/twenty-config.service';
@@ -21,13 +23,19 @@ import { WorkspaceMigrationRunnerModule } from 'src/engine/workspace-manager/wor
     GraphQLModule.forRootAsync<YogaDriverConfig>({
       driver: YogaDriver,
       useFactory: metadataModuleFactory,
-      imports: [GraphQLConfigModule, DataloaderModule, MetricsModule],
+      imports: [
+        GraphQLConfigModule,
+        DataloaderModule,
+        MetricsModule,
+        I18nModule,
+      ],
       inject: [
         TwentyConfigService,
         ExceptionHandlerService,
         DataloaderService,
         CacheStorageNamespace.EngineWorkspace,
         MetricsService,
+        I18nService,
       ],
     }),
     MetadataEngineModule,

packages/twenty-server/src/engine/api/graphql/metadata.module-factory.ts

@@ -9,6 +9,7 @@ import { MetadataGraphQLApiModule } from 'src/engine/api/graphql/metadata-graphq
 import { type CacheStorageService } from 'src/engine/core-modules/cache-storage/services/cache-storage.service';
 import { type ExceptionHandlerService } from 'src/engine/core-modules/exception-handler/exception-handler.service';
 import { useGraphQLErrorHandlerHook } from 'src/engine/core-modules/graphql/hooks/use-graphql-error-handler.hook';
+import { type I18nService } from 'src/engine/core-modules/i18n/i18n.service';
 import { type MetricsService } from 'src/engine/core-modules/metrics/metrics.service';
 import { type TwentyConfigService } from 'src/engine/core-modules/twenty-config/twenty-config.service';
 import { type DataloaderService } from 'src/engine/dataloaders/dataloader.service';
@@ -20,6 +21,7 @@ export const metadataModuleFactory = async (
   dataloaderService: DataloaderService,
   cacheStorageService: CacheStorageService,
   metricsService: MetricsService,
+  i18nService: I18nService,
 ): Promise<YogaDriverConfig> => {
   const config: YogaDriverConfig = {
     autoSchemaFile: true,
@@ -39,6 +41,7 @@ export const metadataModuleFactory = async (
       useGraphQLErrorHandlerHook({
         metricsService: metricsService,
         exceptionHandlerService,
+        i18nService,
         twentyConfigService,
       }),
       useCachedMetadata({

packages/twenty-server/src/engine/api/graphql/workspace-query-runner/utils/handle-duplicate-key-error.util.ts

@@ -1,3 +1,4 @@
+import { msg } from '@lingui/core/macro';
 import { isDefined } from 'twenty-shared/utils';
 import { type QueryFailedError } from 'typeorm';
 
@@ -42,7 +43,7 @@ export const handleDuplicateKeyError = (
         `A duplicate entry was detected`,
         TwentyORMExceptionCode.DUPLICATE_ENTRY_DETECTED,
         {
-          userFriendlyMessage: `This record already exists. Please check your data and try again.`,
+          userFriendlyMessage: msg`This record already exists. Please check your data and try again.`,
         },
       );
     }
@@ -50,20 +51,26 @@ export const handleDuplicateKeyError = (
     const columnNames = affectedColumns.join(', ');
 
     if (affectedColumns?.length === 1) {
+      const fieldName = columnNames.toLowerCase();
+
       throw new UserInputError(
         `Duplicate ${columnNames} ${duplicatedValues ? `with value ${duplicatedValues}` : ''}. Please set a unique one.`,
         {
-          userFriendlyMessage: `This ${columnNames.toLowerCase()} ${duplicatedValues ? `with value ${duplicatedValues}` : ''} is already taken. Please choose a different value.`,
+          userFriendlyMessage: duplicatedValues
+            ? msg`This ${fieldName} with value ${duplicatedValues} is already taken. Please choose a different value.`
+            : msg`This ${fieldName} is already taken. Please choose a different value.`,
           isExpected: true,
         },
       );
     }
 
+    const fieldNames = columnNames.toLowerCase();
+
     throw new TwentyORMException(
       `A duplicate entry was detected. The combination of ${columnNames} must be unique.`,
       TwentyORMExceptionCode.DUPLICATE_ENTRY_DETECTED,
       {
-        userFriendlyMessage: `This combination of ${columnNames.toLowerCase()} already exists. Please use different values.`,
+        userFriendlyMessage: msg`This combination of ${fieldNames} already exists. Please use different values.`,
       },
     );
   }

packages/twenty-server/src/engine/core-modules/admin-panel/admin-panel.service.ts

@@ -1,6 +1,7 @@
 import { Injectable } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
 
+import { msg } from '@lingui/core/macro';
 import axios from 'axios';
 import semver from 'semver';
 import { Repository } from 'typeorm';
@@ -65,7 +66,7 @@ export class AdminPanelService {
     userValidator.assertIsDefinedOrThrow(
       targetUser,
       new AuthException('User not found', AuthExceptionCode.INVALID_INPUT, {
-        userFriendlyMessage: 'User not found. Please check the email or ID.',
+        userFriendlyMessage: msg`User not found. Please check the email or ID.`,
       }),
     );
 

packages/twenty-server/src/engine/core-modules/api-key/api-key.service.ts

@@ -1,6 +1,7 @@
 import { Injectable } from '@nestjs/common';
 import { InjectDataSource, InjectRepository } from '@nestjs/typeorm';
 
+import { msg } from '@lingui/core/macro';
 import { DataSource, IsNull, Repository } from 'typeorm';
 import { type QueryDeepPartialEntity } from 'typeorm/query-builder/QueryPartialEntity';
 
@@ -113,8 +114,7 @@ export class ApiKeyService {
         'This API Key is revoked',
         ApiKeyExceptionCode.API_KEY_REVOKED,
         {
-          userFriendlyMessage:
-            'This API Key has been revoked and can no longer be used.',
+          userFriendlyMessage: msg`This API Key has been revoked and can no longer be used.`,
         },
       );
     }
@@ -124,8 +124,7 @@ export class ApiKeyService {
         'This API Key has expired',
         ApiKeyExceptionCode.API_KEY_EXPIRED,
         {
-          userFriendlyMessage:
-            'This API Key has expired. Please create a new one.',
+          userFriendlyMessage: msg`This API Key has expired. Please create a new one.`,
         },
       );
     }

packages/twenty-server/src/engine/core-modules/approved-access-domain/services/approved-access-domain.service.ts

@@ -3,7 +3,7 @@ import { InjectRepository } from '@nestjs/typeorm';
 
 import crypto from 'crypto';
 
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { render } from '@react-email/render';
 import { SendApprovedAccessDomainValidation } from 'twenty-emails';
 import { SettingsPath } from 'twenty-shared/types';
@@ -46,7 +46,7 @@ export class ApprovedAccessDomainService {
         'Approved access domain has already been validated',
         ApprovedAccessDomainExceptionCode.APPROVED_ACCESS_DOMAIN_ALREADY_VERIFIED,
         {
-          userFriendlyMessage: t`Approved access domain has already been validated`,
+          userFriendlyMessage: msg`Approved access domain has already been validated`,
         },
       );
     }
@@ -56,7 +56,7 @@ export class ApprovedAccessDomainService {
         'Approved access domain does not match email domain',
         ApprovedAccessDomainExceptionCode.APPROVED_ACCESS_DOMAIN_DOES_NOT_MATCH_DOMAIN_EMAIL,
         {
-          userFriendlyMessage: t`Approved access domain does not match email domain`,
+          userFriendlyMessage: msg`Approved access domain does not match email domain`,
         },
       );
     }
@@ -136,7 +136,7 @@ export class ApprovedAccessDomainService {
         'Approved access domain has already been validated',
         ApprovedAccessDomainExceptionCode.APPROVED_ACCESS_DOMAIN_ALREADY_VALIDATED,
         {
-          userFriendlyMessage: t`Approved access domain has already been validated`,
+          userFriendlyMessage: msg`Approved access domain has already been validated`,
         },
       );
     }
@@ -180,7 +180,7 @@ export class ApprovedAccessDomainService {
         'Approved access domain already registered.',
         ApprovedAccessDomainExceptionCode.APPROVED_ACCESS_DOMAIN_ALREADY_REGISTERED,
         {
-          userFriendlyMessage: t`Approved access domain already registered.`,
+          userFriendlyMessage: msg`Approved access domain already registered.`,
         },
       );
     }

packages/twenty-server/src/engine/core-modules/auth/services/auth.service.ts

@@ -3,7 +3,7 @@ import { InjectRepository } from '@nestjs/typeorm';
 
 import crypto, { randomUUID } from 'node:crypto';
 
-import { msg, t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { render } from '@react-email/render';
 import { addMilliseconds } from 'date-fns';
 import ms from 'ms';
@@ -163,7 +163,7 @@ export class AuthService {
         'Incorrect login method',
         AuthExceptionCode.INVALID_INPUT,
         {
-          userFriendlyMessage: t`User was not created with email/password`,
+          userFriendlyMessage: msg`User was not created with email/password`,
         },
       );
     }
@@ -175,7 +175,7 @@ export class AuthService {
         'Wrong password',
         AuthExceptionCode.FORBIDDEN_EXCEPTION,
         {
-          userFriendlyMessage: t`Wrong password`,
+          userFriendlyMessage: msg`Wrong password`,
         },
       );
     }
@@ -746,7 +746,7 @@ export class AuthService {
         'User does not have access to this workspace',
         AuthExceptionCode.FORBIDDEN_EXCEPTION,
         {
-          userFriendlyMessage: t`User does not have access to this workspace`,
+          userFriendlyMessage: msg`User does not have access to this workspace`,
         },
       );
     }

packages/twenty-server/src/engine/core-modules/auth/services/sign-in-up.service.ts

@@ -2,7 +2,7 @@ import { HttpService } from '@nestjs/axios';
 import { Injectable } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
 
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { TWENTY_ICONS_BASE_URL } from 'twenty-shared/constants';
 import { WorkspaceActivationStatus } from 'twenty-shared/workspace';
 import { Repository } from 'typeorm';
@@ -30,6 +30,7 @@ import { DomainManagerService } from 'src/engine/core-modules/domain-manager/ser
 import { OnboardingService } from 'src/engine/core-modules/onboarding/onboarding.service';
 import { TwentyConfigService } from 'src/engine/core-modules/twenty-config/twenty-config.service';
 import { UserWorkspaceService } from 'src/engine/core-modules/user-workspace/user-workspace.service';
+import { UserService } from 'src/engine/core-modules/user/services/user.service';
 import { User } from 'src/engine/core-modules/user/user.entity';
 import { WorkspaceInvitationService } from 'src/engine/core-modules/workspace-invitation/services/workspace-invitation.service';
 import { AuthProviderEnum } from 'src/engine/core-modules/workspace/types/workspace.type';
@@ -37,7 +38,6 @@ import { Workspace } from 'src/engine/core-modules/workspace/workspace.entity';
 import { WorkspaceEventEmitter } from 'src/engine/workspace-event-emitter/workspace-event-emitter';
 import { getDomainNameByEmail } from 'src/utils/get-domain-name-by-email';
 import { isWorkEmail } from 'src/utils/is-work-email';
-import { UserService } from 'src/engine/core-modules/user/services/user.service';
 
 @Injectable()
 // eslint-disable-next-line @nx/workspace-inject-workspace-repository
@@ -66,7 +66,7 @@ export class SignInUpService {
         'Email is required',
         AuthExceptionCode.INVALID_INPUT,
         {
-          userFriendlyMessage: t`Email is required`,
+          userFriendlyMessage: msg`Email is required`,
         },
       );
     }
@@ -124,7 +124,7 @@ export class SignInUpService {
         'Password too weak',
         AuthExceptionCode.INVALID_INPUT,
         {
-          userFriendlyMessage: t`Password too weak`,
+          userFriendlyMessage: msg`Password too weak`,
         },
       );
     }
@@ -146,7 +146,7 @@ export class SignInUpService {
         'Wrong password',
         AuthExceptionCode.FORBIDDEN_EXCEPTION,
         {
-          userFriendlyMessage: t`Wrong password`,
+          userFriendlyMessage: msg`Wrong password`,
         },
       );
     }
@@ -172,7 +172,7 @@ export class SignInUpService {
         'Email is required',
         AuthExceptionCode.INVALID_INPUT,
         {
-          userFriendlyMessage: t`Email is required`,
+          userFriendlyMessage: msg`Email is required`,
         },
       );
     }
@@ -216,7 +216,7 @@ export class SignInUpService {
         'Workspace is not ready to welcome new members',
         AuthExceptionCode.FORBIDDEN_EXCEPTION,
         {
-          userFriendlyMessage: t`Workspace is not ready to welcome new members`,
+          userFriendlyMessage: msg`Workspace is not ready to welcome new members`,
         },
       );
     }
@@ -232,7 +232,7 @@ export class SignInUpService {
         'User is not part of the workspace',
         AuthExceptionCode.FORBIDDEN_EXCEPTION,
         {
-          userFriendlyMessage: t`User is not part of the workspace`,
+          userFriendlyMessage: msg`User is not part of the workspace`,
         },
       );
     }
@@ -379,7 +379,7 @@ export class SignInUpService {
         'Workspace creation is restricted to admins',
         AuthExceptionCode.FORBIDDEN_EXCEPTION,
         {
-          userFriendlyMessage: t`Workspace creation is restricted to admins`,
+          userFriendlyMessage: msg`Workspace creation is restricted to admins`,
         },
       );
     }
@@ -398,7 +398,7 @@ export class SignInUpService {
         'Email is required',
         AuthExceptionCode.INVALID_INPUT,
         {
-          userFriendlyMessage: t`Email is required`,
+          userFriendlyMessage: msg`Email is required`,
         },
       );
     }
@@ -470,7 +470,7 @@ export class SignInUpService {
       new AuthException(
         'User already exist',
         AuthExceptionCode.USER_ALREADY_EXIST,
-        { userFriendlyMessage: t`User already exists` },
+        { userFriendlyMessage: msg`User already exists` },
       ),
     );
 

packages/twenty-server/src/engine/core-modules/auth/strategies/jwt.auth.strategy.ts

@@ -2,7 +2,7 @@ import { Injectable } from '@nestjs/common';
 import { PassportStrategy } from '@nestjs/passport';
 import { InjectRepository } from '@nestjs/typeorm';
 
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { Strategy } from 'passport-jwt';
 import { assertIsDefinedOrThrow, isDefined } from 'twenty-shared/utils';
 import { Repository } from 'typeorm';
@@ -158,7 +158,7 @@ export class JwtAuthStrategy extends PassportStrategy(Strategy, 'jwt') {
         'UserWorkspace not found',
         AuthExceptionCode.USER_WORKSPACE_NOT_FOUND,
         {
-          userFriendlyMessage: t`User does not have access to this workspace`,
+          userFriendlyMessage: msg`User does not have access to this workspace`,
         },
       ),
     );

packages/twenty-server/src/engine/core-modules/auth/utils/auth-graphql-api-exception-handler.util.ts

@@ -1,4 +1,4 @@
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { assertUnreachable } from 'twenty-shared/utils';
 
 import {
@@ -31,14 +31,14 @@ export const authGraphqlApiExceptionHandler = (exception: AuthException) => {
     case AuthExceptionCode.GOOGLE_API_AUTH_DISABLED:
     case AuthExceptionCode.MICROSOFT_API_AUTH_DISABLED:
       throw new ForbiddenError(exception.message, {
-        userFriendlyMessage: t`Authentication is not enabled with this provider.`,
+        userFriendlyMessage: msg`Authentication is not enabled with this provider.`,
         subCode: exception.code,
       });
     case AuthExceptionCode.EMAIL_NOT_VERIFIED:
     case AuthExceptionCode.INVALID_DATA:
       throw new ForbiddenError(exception.message, {
         subCode: AuthExceptionCode.EMAIL_NOT_VERIFIED,
-        userFriendlyMessage: t`Email is not verified.`,
+        userFriendlyMessage: msg`Email is not verified.`,
       });
     case AuthExceptionCode.TWO_FACTOR_AUTHENTICATION_PROVISION_REQUIRED:
     case AuthExceptionCode.TWO_FACTOR_AUTHENTICATION_VERIFICATION_REQUIRED:
@@ -47,7 +47,7 @@ export const authGraphqlApiExceptionHandler = (exception: AuthException) => {
       });
     case AuthExceptionCode.UNAUTHENTICATED:
       throw new AuthenticationError(exception.message, {
-        userFriendlyMessage: t`You must be authenticated to perform this action.`,
+        userFriendlyMessage: msg`You must be authenticated to perform this action.`,
         subCode: exception.code,
       });
     case AuthExceptionCode.USER_NOT_FOUND:

packages/twenty-server/src/engine/core-modules/billing/billing.validate.ts

@@ -1,4 +1,5 @@
 import { isDefined } from 'twenty-shared/utils';
+import { msg } from '@lingui/core/macro';
 
 import { type BillingPrice } from 'src/engine/core-modules/billing/entities/billing-price.entity';
 import { type MeterBillingPriceTiers } from 'src/engine/core-modules/billing/types/meter-billing-price-tier.type';
@@ -137,8 +138,7 @@ const assertIsSubscription = (
       'Subscription must have exactly two subscription items. Check that stripe and database are in sync',
       BillingExceptionCode.BILLING_SUBSCRIPTION_INVALID,
       {
-        userFriendlyMessage:
-          'Your billing subscription is corrupted. Please contact support.',
+        userFriendlyMessage: msg`Your billing subscription is corrupted. Please contact support.`,
       },
     );
   }

packages/twenty-server/src/engine/core-modules/captcha/captcha.guard.ts

@@ -5,7 +5,7 @@ import {
 } from '@nestjs/common';
 import { GqlExecutionContext } from '@nestjs/graphql';
 
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 
 import {
   CaptchaException,
@@ -41,7 +41,9 @@ export class CaptchaGuard implements CanActivate {
       throw new CaptchaException(
         'Invalid Captcha, please try another device',
         CaptchaExceptionCode.INVALID_CAPTCHA,
-        { userFriendlyMessage: t`Invalid Captcha, please try another device` },
+        {
+          userFriendlyMessage: msg`Invalid Captcha, please try another device`,
+        },
       );
     }
   }

packages/twenty-server/src/engine/core-modules/dns-manager/services/dns-manager.service.ts

@@ -1,6 +1,7 @@
 /* @license Enterprise */
 import { Injectable } from '@nestjs/common';
 
+import { msg } from '@lingui/core/macro';
 import Cloudflare from 'cloudflare';
 import {
   type CustomHostnameCreateParams,
@@ -8,14 +9,14 @@ import {
 } from 'cloudflare/resources/custom-hostnames/custom-hostnames';
 import { assertIsDefinedOrThrow, isDefined } from 'twenty-shared/utils';
 
+import { type DomainValidRecords } from 'src/engine/core-modules/dns-manager/dtos/domain-valid-records';
 import {
   DnsManagerException,
   DnsManagerExceptionCode,
 } from 'src/engine/core-modules/dns-manager/exceptions/dns-manager.exception';
-import { DomainManagerService } from 'src/engine/core-modules/domain-manager/services/domain-manager.service';
 import { dnsManagerValidator } from 'src/engine/core-modules/dns-manager/validator/dns-manager.validate';
+import { DomainManagerService } from 'src/engine/core-modules/domain-manager/services/domain-manager.service';
 import { TwentyConfigService } from 'src/engine/core-modules/twenty-config/twenty-config.service';
-import { type DomainValidRecords } from 'src/engine/core-modules/dns-manager/dtos/domain-valid-records';
 
 type DnsManagerOptions = {
   isPublicDomain?: boolean;
@@ -43,7 +44,7 @@ export class DnsManagerService {
       throw new DnsManagerException(
         'Hostname already registered',
         DnsManagerExceptionCode.HOSTNAME_ALREADY_REGISTERED,
-        { userFriendlyMessage: 'Domain is already registered' },
+        { userFriendlyMessage: msg`Domain is already registered` },
       );
     }
 
@@ -66,8 +67,7 @@ export class DnsManagerService {
         'Missing public domain URL',
         DnsManagerExceptionCode.MISSING_PUBLIC_DOMAIN_URL,
         {
-          userFriendlyMessage:
-            'Public domain URL is not defined. Please set the PUBLIC_DOMAIN_URL environment variable',
+          userFriendlyMessage: msg`Public domain URL is not defined. Please set the PUBLIC_DOMAIN_URL environment variable`,
         },
       );
     }
@@ -219,11 +219,14 @@ export class DnsManagerService {
     }
 
     // should never happen. error 5xx
+    const hostnameCount = customHostnames.result.length;
+    const domainName = hostname;
+
     throw new DnsManagerException(
       'More than one custom hostname found in cloudflare',
       DnsManagerExceptionCode.MULTIPLE_HOSTNAMES_FOUND,
       {
-        userFriendlyMessage: `${customHostnames.result.length} hostnames found for domain '${hostname}'. Expect 1`,
+        userFriendlyMessage: msg`${hostnameCount} hostnames found for domain '${domainName}'. Expect 1`,
       },
     );
   }

packages/twenty-server/src/engine/core-modules/dns-manager/validator/dns-manager.validate.ts

@@ -1,4 +1,4 @@
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 
 import type Cloudflare from 'cloudflare';
 
@@ -15,7 +15,7 @@ const isCloudflareInstanceDefined = (
       'Cloudflare instance is not defined',
       DnsManagerExceptionCode.CLOUDFLARE_CLIENT_NOT_INITIALIZED,
       {
-        userFriendlyMessage: t`Environment variable CLOUDFLARE_API_KEY must be defined to use this feature.`,
+        userFriendlyMessage: msg`Environment variable CLOUDFLARE_API_KEY must be defined to use this feature.`,
       },
     );
   }

packages/twenty-server/src/engine/core-modules/email-verification/email-verification-exception-filter.util.ts

@@ -1,7 +1,7 @@
 import { Catch, type ExceptionFilter } from '@nestjs/common';
 
 import { assertUnreachable } from 'twenty-shared/utils';
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 
 import {
   EmailVerificationException,
@@ -19,7 +19,7 @@ export class EmailVerificationExceptionFilter implements ExceptionFilter {
       case EmailVerificationExceptionCode.TOKEN_EXPIRED:
         throw new ForbiddenError(exception.message, {
           subCode: exception.code,
-          userFriendlyMessage: t`Request has expired, please try again.`,
+          userFriendlyMessage: msg`Request has expired, please try again.`,
         });
       case EmailVerificationExceptionCode.INVALID_TOKEN:
       case EmailVerificationExceptionCode.INVALID_APP_TOKEN_TYPE:
@@ -30,12 +30,12 @@ export class EmailVerificationExceptionFilter implements ExceptionFilter {
       case EmailVerificationExceptionCode.EMAIL_ALREADY_VERIFIED:
         throw new UserInputError(exception.message, {
           subCode: exception.code,
-          userFriendlyMessage: t`Email already verified.`,
+          userFriendlyMessage: msg`Email already verified.`,
         });
       case EmailVerificationExceptionCode.EMAIL_VERIFICATION_NOT_REQUIRED:
         throw new UserInputError(exception.message, {
           subCode: exception.code,
-          userFriendlyMessage: t`Email verification not required.`,
+          userFriendlyMessage: msg`Email verification not required.`,
         });
       case EmailVerificationExceptionCode.INVALID_EMAIL:
         throw new UserInputError(exception);

packages/twenty-server/src/engine/core-modules/graphql/hooks/use-graphql-error-handler.hook.ts

@@ -4,7 +4,7 @@ import {
   type OnExecuteDoneHookResultOnNextHook,
   type Plugin,
 } from '@envelop/core';
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import {
   GraphQLError,
   Kind,
@@ -12,6 +12,7 @@ import {
   print,
 } from 'graphql';
 import semver from 'semver';
+import { SOURCE_LOCALE } from 'twenty-shared/translations';
 import { isDefined } from 'twenty-shared/utils';
 
 import { type GraphQLContext } from 'src/engine/api/graphql/graphql-config/interfaces/graphql-context.interface';
@@ -23,6 +24,7 @@ import {
   convertGraphQLErrorToBaseGraphQLError,
   ErrorCode,
 } from 'src/engine/core-modules/graphql/utils/graphql-errors.util';
+import { type I18nService } from 'src/engine/core-modules/i18n/i18n.service';
 import { type MetricsService } from 'src/engine/core-modules/metrics/metrics.service';
 import { MetricsKeys } from 'src/engine/core-modules/metrics/types/metrics-keys.type';
 import { type TwentyConfigService } from 'src/engine/core-modules/twenty-config/twenty-config.service';
@@ -46,6 +48,8 @@ type GraphQLErrorHandlerHookOptions = {
    */
   exceptionHandlerService: ExceptionHandlerService;
 
+  i18nService: I18nService;
+
   twentyConfigService: TwentyConfigService;
   /**
    * The key of the event id in the error's extension. `null` to disable.
@@ -201,6 +205,10 @@ export const useGraphQLErrorHandlerHook = <
             }
 
             // Step 3: Transform errors for GraphQL response (clean GraphQL errors)
+            const userLocale = args.contextValue.req.locale ?? SOURCE_LOCALE;
+            const i18n = options.i18nService.getI18nInstance(userLocale);
+            const defaultErrorMessage = msg`An error occurred.`;
+
             const transformedErrors = processedErrors.map((error) => {
               const graphqlError =
                 error instanceof BaseGraphQLError
@@ -208,12 +216,13 @@ export const useGraphQLErrorHandlerHook = <
                       ...error,
                       extensions: {
                         ...error.extensions,
-                        userFriendlyMessage:
+                        userFriendlyMessage: i18n._(
                           error.extensions.userFriendlyMessage ??
-                          t`An error occurred.`,
+                            defaultErrorMessage,
+                        ),
                       },
                     }
-                  : generateGraphQLErrorFromError(error);
+                  : generateGraphQLErrorFromError(error, i18n);
 
               if (error.eventId && eventIdKey) {
                 graphqlError.extensions = {
@@ -260,7 +269,7 @@ export const useGraphQLErrorHandlerHook = <
           });
           throw new GraphQLError(SCHEMA_MISMATCH_ERROR, {
             extensions: {
-              userFriendlyMessage: t`Your workspace has been updated with a new data model. Please refresh the page.`,
+              userFriendlyMessage: msg`Your workspace has been updated with a new data model. Please refresh the page.`,
             },
           });
         }
@@ -288,7 +297,7 @@ export const useGraphQLErrorHandlerHook = <
           throw new GraphQLError(APP_VERSION_MISMATCH_ERROR, {
             extensions: {
               code: APP_VERSION_MISMATCH_CODE,
-              userFriendlyMessage: t`Your app version is out of date. Please refresh the page to continue.`,
+              userFriendlyMessage: msg`Your app version is out of date. Please refresh the page to continue.`,
             },
           });
         }

packages/twenty-server/src/engine/core-modules/graphql/utils/generate-graphql-error-from-error.util.ts

@@ -1,4 +1,5 @@
-import { t } from '@lingui/core/macro';
+import { type I18n } from '@lingui/core';
+import { msg } from '@lingui/core/macro';
 
 import {
   BaseGraphQLError,
@@ -8,17 +9,21 @@ import { CustomException } from 'src/utils/custom-exception';
 
 export const generateGraphQLErrorFromError = (
   error: Error | CustomException,
+  i18n: I18n,
 ) => {
   const graphqlError = new BaseGraphQLError(
     error.message,
     ErrorCode.INTERNAL_SERVER_ERROR,
   );
 
+  const defaultErrorMessage = msg`An error occurred.`;
+
   if (error instanceof CustomException) {
-    graphqlError.extensions.userFriendlyMessage =
-      error.userFriendlyMessage ?? t`An error occurred.`;
+    graphqlError.extensions.userFriendlyMessage = i18n._(
+      error.userFriendlyMessage ?? defaultErrorMessage,
+    );
   } else {
-    graphqlError.extensions.userFriendlyMessage = t`An error occurred.`;
+    graphqlError.extensions.userFriendlyMessage = i18n._(defaultErrorMessage);
   }
 
   return graphqlError;

packages/twenty-server/src/engine/core-modules/graphql/utils/graphql-errors.util.ts

@@ -1,3 +1,4 @@
+import { type MessageDescriptor } from '@lingui/core';
 import {
   type ASTNode,
   GraphQLError,
@@ -33,7 +34,7 @@ export enum ErrorCode {
 }
 
 type RestrictedGraphQLErrorExtensions = {
-  userFriendlyMessage?: string;
+  userFriendlyMessage?: MessageDescriptor;
   subCode?: string;
 };
 

packages/twenty-server/src/engine/core-modules/imap-smtp-caldav-connection/services/imap-smtp-caldav-connection-validator.service.ts

@@ -1,5 +1,6 @@
 import { Injectable } from '@nestjs/common';
 
+import { msg } from '@lingui/core/macro';
 import { z } from 'zod';
 
 import { UserInputError } from 'src/engine/core-modules/graphql/utils/graphql-errors.util';
@@ -20,8 +21,7 @@ export class ImapSmtpCaldavValidatorService {
   ): ConnectionParameters {
     if (!params) {
       throw new UserInputError('Protocol connection parameters are required', {
-        userFriendlyMessage:
-          'Please provide connection details to configure your email account.',
+        userFriendlyMessage: msg`Please provide connection details to configure your email account.`,
       });
     }
 
@@ -36,15 +36,13 @@ export class ImapSmtpCaldavValidatorService {
         throw new UserInputError(
           `Protocol connection validation failed: ${errorMessages}`,
           {
-            userFriendlyMessage:
-              'Please check your connection settings. Make sure the server host, port, and password are correct.',
+            userFriendlyMessage: msg`Please check your connection settings. Make sure the server host, port, and password are correct.`,
           },
         );
       }
 
       throw new UserInputError('Protocol connection validation failed', {
-        userFriendlyMessage:
-          'There was an issue with your connection settings. Please try again.',
+        userFriendlyMessage: msg`There was an issue with your connection settings. Please try again.`,
       });
     }
   }

packages/twenty-server/src/engine/core-modules/imap-smtp-caldav-connection/services/imap-smtp-caldav-connection.service.ts

@@ -1,5 +1,6 @@
 import { Injectable, Logger } from '@nestjs/common';
 
+import { msg } from '@lingui/core/macro';
 import { ImapFlow } from 'imapflow';
 import { createTransport } from 'nodemailer';
 import { ConnectedAccountProvider } from 'twenty-shared/types';
@@ -59,8 +60,7 @@ export class ImapSmtpCaldavService {
         throw new UserInputError(
           'IMAP authentication failed. Please check your credentials.',
           {
-            userFriendlyMessage:
-              "We couldn't log in to your email account. Please check your email address and password, then try again.",
+            userFriendlyMessage: msg`We couldn't log in to your email account. Please check your email address and password, then try again.`,
           },
         );
       }
@@ -69,15 +69,13 @@ export class ImapSmtpCaldavService {
         throw new UserInputError(
           `IMAP connection refused. Please verify server and port.`,
           {
-            userFriendlyMessage:
-              "We couldn't connect to your email server. Please check your server settings and try again.",
+            userFriendlyMessage: msg`We couldn't connect to your email server. Please check your server settings and try again.`,
           },
         );
       }
 
       throw new UserInputError(`IMAP connection failed: ${error.message}`, {
-        userFriendlyMessage:
-          'We encountered an issue connecting to your email account. Please check your settings and try again.',
+        userFriendlyMessage: msg`We encountered an issue connecting to your email account. Please check your settings and try again.`,
       });
     } finally {
       if (client.authenticated) {
@@ -110,8 +108,7 @@ export class ImapSmtpCaldavService {
         error.stack,
       );
       throw new UserInputError(`SMTP connection failed: ${error.message}`, {
-        userFriendlyMessage:
-          "We couldn't connect to your outgoing email server. Please check your SMTP settings and try again.",
+        userFriendlyMessage: msg`We couldn't connect to your outgoing email server. Please check your SMTP settings and try again.`,
       });
     }
 
@@ -137,14 +134,12 @@ export class ImapSmtpCaldavService {
       );
       if (error.code === 'FailedToOpenSocket') {
         throw new UserInputError(`CALDAV connection failed: ${error.message}`, {
-          userFriendlyMessage:
-            "We couldn't connect to your CalDAV server. Please check your server settings and try again.",
+          userFriendlyMessage: msg`We couldn't connect to your CalDAV server. Please check your server settings and try again.`,
         });
       }
 
       throw new UserInputError(`CALDAV connection failed: ${error.message}`, {
-        userFriendlyMessage:
-          'Invalid credentials. Please check your username and password.',
+        userFriendlyMessage: msg`Invalid credentials. Please check your username and password.`,
       });
     }
 
@@ -171,8 +166,7 @@ export class ImapSmtpCaldavService {
     throw new UserInputError(
       'Invalid account type. Must be one of: IMAP, SMTP, CALDAV',
       {
-        userFriendlyMessage:
-          'Please select a valid connection type (IMAP, SMTP, or CalDAV) and try again.',
+        userFriendlyMessage: msg`Please select a valid connection type (IMAP, SMTP, or CalDAV) and try again.`,
       },
     );
   }

packages/twenty-server/src/engine/core-modules/public-domain/public-domain.service.ts

@@ -1,7 +1,7 @@
 import { Injectable } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
 
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { Repository } from 'typeorm';
 import { type QueryDeepPartialEntity } from 'typeorm/query-builder/QueryPartialEntity';
 
@@ -62,7 +62,7 @@ export class PublicDomainService {
         'Domain already used for workspace custom domain',
         PublicDomainExceptionCode.DOMAIN_ALREADY_REGISTERED_AS_CUSTOM_DOMAIN,
         {
-          userFriendlyMessage: t`Domain already used for workspace custom domain`,
+          userFriendlyMessage: msg`Domain already used for workspace custom domain`,
         },
       );
     }
@@ -77,7 +77,7 @@ export class PublicDomainService {
         'Public domain already registered',
         PublicDomainExceptionCode.PUBLIC_DOMAIN_ALREADY_REGISTERED,
         {
-          userFriendlyMessage: t`Public domain already registered`,
+          userFriendlyMessage: msg`Public domain already registered`,
         },
       );
     }

packages/twenty-server/src/engine/core-modules/record-transformer/utils/transform-phones-value.util.ts

@@ -1,4 +1,4 @@
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { isArray, isNonEmptyString } from '@sniptt/guards';
 import {
   type CountryCallingCode,
@@ -44,7 +44,7 @@ const validatePrimaryPhoneCountryCodeAndCallingCode = ({
     throw new RecordTransformerException(
       `Invalid country code ${countryCode}`,
       RecordTransformerExceptionCode.INVALID_PHONE_COUNTRY_CODE,
-      { userFriendlyMessage: t`Invalid country code ${countryCode}` },
+      { userFriendlyMessage: msg`Invalid country code ${countryCode}` },
     );
   }
 
@@ -58,7 +58,7 @@ const validatePrimaryPhoneCountryCodeAndCallingCode = ({
     throw new RecordTransformerException(
       `Invalid calling code ${callingCode}`,
       RecordTransformerExceptionCode.INVALID_PHONE_CALLING_CODE,
-      { userFriendlyMessage: t`Invalid calling code ${callingCode}` },
+      { userFriendlyMessage: msg`Invalid calling code ${callingCode}` },
     );
   }
 
@@ -72,7 +72,7 @@ const validatePrimaryPhoneCountryCodeAndCallingCode = ({
       `Provided country code and calling code are conflicting`,
       RecordTransformerExceptionCode.CONFLICTING_PHONE_CALLING_CODE_AND_COUNTRY_CODE,
       {
-        userFriendlyMessage: t`Provided country code and calling code are conflicting`,
+        userFriendlyMessage: msg`Provided country code and calling code are conflicting`,
       },
     );
   }
@@ -94,7 +94,7 @@ const parsePhoneNumberExceptionWrapper = ({
     throw new RecordTransformerException(
       `Provided phone number is invalid ${number}`,
       RecordTransformerExceptionCode.INVALID_PHONE_NUMBER,
-      { userFriendlyMessage: t`Provided phone number is invalid ${number}` },
+      { userFriendlyMessage: msg`Provided phone number is invalid ${number}` },
     );
   }
 };
@@ -119,7 +119,7 @@ const validateAndInferMetadataFromPrimaryPhoneNumber = ({
       'Provided and inferred country code are conflicting',
       RecordTransformerExceptionCode.CONFLICTING_PHONE_COUNTRY_CODE,
       {
-        userFriendlyMessage: t`Provided and inferred country code are conflicting`,
+        userFriendlyMessage: msg`Provided and inferred country code are conflicting`,
       },
     );
   }
@@ -133,7 +133,7 @@ const validateAndInferMetadataFromPrimaryPhoneNumber = ({
       'Provided and inferred calling code are conflicting',
       RecordTransformerExceptionCode.CONFLICTING_PHONE_CALLING_CODE,
       {
-        userFriendlyMessage: t`Provided and inferred calling code are conflicting`,
+        userFriendlyMessage: msg`Provided and inferred calling code are conflicting`,
       },
     );
   }

packages/twenty-server/src/engine/core-modules/two-factor-authentication/two-factor-authentication-exception.filter.spec.ts

@@ -37,8 +37,11 @@ describe('TwoFactorAuthenticationExceptionFilter', () => {
         expect(error.extensions.subCode).toBe(
           TwoFactorAuthenticationExceptionCode.INVALID_OTP,
         );
-        expect(error.extensions.userFriendlyMessage).toBe(
-          'Invalid verification code. Please try again.',
+        expect(error.extensions.userFriendlyMessage).toEqual(
+          expect.objectContaining({
+            id: expect.any(String),
+            message: 'Invalid verification code. Please try again.',
+          }),
         );
       }
     });

packages/twenty-server/src/engine/core-modules/two-factor-authentication/two-factor-authentication-exception.filter.ts

@@ -1,7 +1,7 @@
 import { Catch, type ExceptionFilter } from '@nestjs/common';
 
 import { assertUnreachable } from 'twenty-shared/utils';
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 
 import {
   ForbiddenError,
@@ -19,7 +19,7 @@ export class TwoFactorAuthenticationExceptionFilter implements ExceptionFilter {
       case TwoFactorAuthenticationExceptionCode.INVALID_OTP:
         throw new UserInputError(exception.message, {
           subCode: exception.code,
-          userFriendlyMessage: t`Invalid verification code. Please try again.`,
+          userFriendlyMessage: msg`Invalid verification code. Please try again.`,
         });
       case TwoFactorAuthenticationExceptionCode.INVALID_CONFIGURATION:
       case TwoFactorAuthenticationExceptionCode.TWO_FACTOR_AUTHENTICATION_METHOD_NOT_FOUND:

packages/twenty-server/src/engine/core-modules/user/services/user.service.ts

@@ -2,6 +2,7 @@ import { InjectRepository } from '@nestjs/typeorm';
 
 import assert from 'assert';
 
+import { msg } from '@lingui/core/macro';
 import { TypeOrmQueryService } from '@ptc-org/nestjs-query-typeorm';
 import { isWorkspaceActiveOrSuspended } from 'twenty-shared/workspace';
 import { IsNull, Not, Repository } from 'typeorm';
@@ -124,8 +125,7 @@ export class UserService extends TypeOrmQueryService<User> {
                 PermissionsExceptionMessage.CANNOT_DELETE_LAST_ADMIN_USER,
                 PermissionsExceptionCode.CANNOT_DELETE_LAST_ADMIN_USER,
                 {
-                  userFriendlyMessage:
-                    'Cannot delete account: you are the only admin. Assign another admin or delete the workspace(s) first.',
+                  userFriendlyMessage: msg`Cannot delete account: you are the only admin. Assign another admin or delete the workspace(s) first.`,
                 },
               );
             }

packages/twenty-server/src/engine/core-modules/webhook/webhook.service.ts

@@ -1,6 +1,7 @@
 import { Injectable } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
 
+import { msg } from '@lingui/core/macro';
 import { isDefined } from 'twenty-shared/utils';
 import { ArrayContains, IsNull, Repository } from 'typeorm';
 import { type QueryDeepPartialEntity } from 'typeorm/query-builder/QueryPartialEntity';
@@ -78,7 +79,7 @@ export class WebhookService {
       throw new WebhookException(
         'Invalid target URL provided',
         WebhookExceptionCode.INVALID_TARGET_URL,
-        { userFriendlyMessage: 'Please provide a valid HTTP or HTTPS URL.' },
+        { userFriendlyMessage: msg`Please provide a valid HTTP or HTTPS URL.` },
       );
     }
 
@@ -111,7 +112,9 @@ export class WebhookService {
         throw new WebhookException(
           'Invalid target URL provided',
           WebhookExceptionCode.INVALID_TARGET_URL,
-          { userFriendlyMessage: 'Please provide a valid HTTP or HTTPS URL.' },
+          {
+            userFriendlyMessage: msg`Please provide a valid HTTP or HTTPS URL.`,
+          },
         );
       }
 

packages/twenty-server/src/engine/core-modules/workspace/services/workspace.service.ts

@@ -3,7 +3,7 @@ import { InjectRepository } from '@nestjs/typeorm';
 
 import assert from 'assert';
 
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { TypeOrmQueryService } from '@ptc-org/nestjs-query-typeorm';
 import { assertIsDefinedOrThrow, isDefined } from 'twenty-shared/utils';
 import { WorkspaceActivationStatus } from 'twenty-shared/workspace';
@@ -136,7 +136,7 @@ export class WorkspaceService extends TypeOrmQueryService<Workspace> {
         'Domain is already registered as public domain',
         WorkspaceExceptionCode.DOMAIN_ALREADY_TAKEN,
         {
-          userFriendlyMessage: t`Domain is already registered as public domain`,
+          userFriendlyMessage: msg`Domain is already registered as public domain`,
         },
       );
     }
@@ -452,8 +452,7 @@ export class WorkspaceService extends TypeOrmQueryService<Workspace> {
           PermissionsExceptionMessage.PERMISSION_DENIED,
           PermissionsExceptionCode.PERMISSION_DENIED,
           {
-            userFriendlyMessage:
-              'You do not have permission to manage security settings. Please contact your workspace administrator.',
+            userFriendlyMessage: msg`You do not have permission to manage security settings. Please contact your workspace administrator.`,
           },
         );
       }
@@ -502,8 +501,7 @@ export class WorkspaceService extends TypeOrmQueryService<Workspace> {
           PermissionsExceptionMessage.PERMISSION_DENIED,
           PermissionsExceptionCode.PERMISSION_DENIED,
           {
-            userFriendlyMessage:
-              'You do not have permission to manage workspace settings. Please contact your workspace administrator.',
+            userFriendlyMessage: msg`You do not have permission to manage workspace settings. Please contact your workspace administrator.`,
           },
         );
       }

packages/twenty-server/src/engine/guards/__tests__/impersonate-permission-guard.spec.ts

@@ -109,8 +109,11 @@ describe('ImpersonateGuard', () => {
 
     await expect(guard.canActivate(mockExecutionContext)).rejects.toMatchObject(
       {
-        userFriendlyMessage:
-          'You do not have permission to impersonate users. Please contact your workspace administrator for access.',
+        userFriendlyMessage: expect.objectContaining({
+          id: expect.any(String),
+          message:
+            'You do not have permission to impersonate users. Please contact your workspace administrator for access.',
+        }),
       },
     );
   });
@@ -137,7 +140,10 @@ describe('ImpersonateGuard', () => {
 
     await expect(guard.canActivate(mockExecutionContext)).rejects.toMatchObject(
       {
-        userFriendlyMessage: "Can't impersonate user via api key",
+        userFriendlyMessage: expect.objectContaining({
+          id: expect.any(String),
+          message: "Can't impersonate user via api key",
+        }),
       },
     );
   });

packages/twenty-server/src/engine/guards/impersonate-permission.guard.ts

@@ -5,6 +5,7 @@ import {
 } from '@nestjs/common';
 import { GqlExecutionContext } from '@nestjs/graphql';
 
+import { msg } from '@lingui/core/macro';
 import { isDefined } from 'class-validator';
 
 import { PermissionFlagType } from 'src/engine/metadata-modules/permissions/constants/permission-flag-type.constants';
@@ -30,7 +31,7 @@ export class ImpersonatePermissionGuard implements CanActivate {
         PermissionsExceptionMessage.PERMISSION_DENIED,
         PermissionsExceptionCode.PERMISSION_DENIED,
         {
-          userFriendlyMessage: "Can't impersonate user via api key",
+          userFriendlyMessage: msg`Can't impersonate user via api key`,
         },
       );
     }
@@ -50,8 +51,7 @@ export class ImpersonatePermissionGuard implements CanActivate {
       PermissionsExceptionMessage.PERMISSION_DENIED,
       PermissionsExceptionCode.PERMISSION_DENIED,
       {
-        userFriendlyMessage:
-          'You do not have permission to impersonate users. Please contact your workspace administrator for access.',
+        userFriendlyMessage: msg`You do not have permission to impersonate users. Please contact your workspace administrator for access.`,
       },
     );
   }

packages/twenty-server/src/engine/guards/settings-permissions.guard.ts

@@ -7,6 +7,7 @@ import {
 } from '@nestjs/common';
 import { GqlExecutionContext } from '@nestjs/graphql';
 
+import { msg } from '@lingui/core/macro';
 import { WorkspaceActivationStatus } from 'twenty-shared/workspace';
 
 import { type PermissionFlagType } from 'src/engine/metadata-modules/permissions/constants/permission-flag-type.constants';
@@ -56,8 +57,7 @@ export const SettingsPermissionsGuard = (
         PermissionsExceptionMessage.PERMISSION_DENIED,
         PermissionsExceptionCode.PERMISSION_DENIED,
         {
-          userFriendlyMessage:
-            'You do not have permission to access this feature. Please contact your workspace administrator for access.',
+          userFriendlyMessage: msg`You do not have permission to access this feature. Please contact your workspace administrator for access.`,
         },
       );
     }

packages/twenty-server/src/engine/metadata-modules/field-metadata/field-metadata.resolver.ts

@@ -18,6 +18,7 @@ import {
   ForbiddenError,
   ValidationError,
 } from 'src/engine/core-modules/graphql/utils/graphql-errors.util';
+import { I18nService } from 'src/engine/core-modules/i18n/i18n.service';
 import { I18nContext } from 'src/engine/core-modules/i18n/types/i18n-context.type';
 import { Workspace } from 'src/engine/core-modules/workspace/workspace.entity';
 import { type IDataloaders } from 'src/engine/dataloaders/dataloader.interface';
@@ -52,6 +53,7 @@ export class FieldMetadataResolver {
     private readonly beforeUpdateOneField: BeforeUpdateOneField<UpdateFieldInput>,
     private readonly featureFlagService: FeatureFlagService,
     private readonly fieldMetadataServiceV2: FieldMetadataServiceV2,
+    private readonly i18nService: I18nService,
   ) {}
 
   @UseGuards(SettingsPermissionsGuard(PermissionFlagType.DATA_MODEL))
@@ -59,6 +61,7 @@ export class FieldMetadataResolver {
   async createOneField(
     @Args('input') input: CreateOneFieldMetadataInput,
     @AuthWorkspace() { id: workspaceId }: Workspace,
+    @Context() context: I18nContext,
   ) {
     try {
       return await this.fieldMetadataService.createOne({
@@ -66,7 +69,10 @@ export class FieldMetadataResolver {
         workspaceId,
       });
     } catch (error) {
-      return fieldMetadataGraphqlApiExceptionHandler(error);
+      return fieldMetadataGraphqlApiExceptionHandler(
+        error,
+        this.i18nService.getI18nInstance(context.req.locale),
+      );
     }
   }
 
@@ -101,7 +107,10 @@ export class FieldMetadataResolver {
         workspaceId,
       });
     } catch (error) {
-      fieldMetadataGraphqlApiExceptionHandler(error);
+      fieldMetadataGraphqlApiExceptionHandler(
+        error,
+        this.i18nService.getI18nInstance(context.req.locale),
+      );
     }
   }
 
@@ -110,6 +119,7 @@ export class FieldMetadataResolver {
   async deleteOneField(
     @Args('input') input: DeleteOneFieldInput,
     @AuthWorkspace() { id: workspaceId }: Workspace,
+    @Context() context: I18nContext,
   ) {
     if (!isDefined(workspaceId)) {
       throw new ForbiddenError('Could not retrieve workspace ID');
@@ -129,7 +139,10 @@ export class FieldMetadataResolver {
         });
       }
     } catch (error) {
-      fieldMetadataGraphqlApiExceptionHandler(error);
+      fieldMetadataGraphqlApiExceptionHandler(
+        error,
+        this.i18nService.getI18nInstance(context.req.locale),
+      );
     }
 
     const fieldMetadata =
@@ -154,7 +167,10 @@ export class FieldMetadataResolver {
     try {
       return await this.fieldMetadataService.deleteOneField(input, workspaceId);
     } catch (error) {
-      fieldMetadataGraphqlApiExceptionHandler(error);
+      fieldMetadataGraphqlApiExceptionHandler(
+        error,
+        this.i18nService.getI18nInstance(context.req.locale),
+      );
     }
   }
 
@@ -167,7 +183,7 @@ export class FieldMetadataResolver {
       id: fieldMetadataId,
       objectMetadataId,
     }: Pick<FieldMetadataDTO, 'id' | 'objectMetadataId'>,
-    @Context() context: { loaders: IDataloaders },
+    @Context() context: { loaders: IDataloaders } & I18nContext,
   ): Promise<RelationDTO | null> {
     try {
       return await context.loaders.relationLoader.load({
@@ -176,7 +192,10 @@ export class FieldMetadataResolver {
         workspaceId: workspace.id,
       });
     } catch (error) {
-      return fieldMetadataGraphqlApiExceptionHandler(error);
+      return fieldMetadataGraphqlApiExceptionHandler(
+        error,
+        this.i18nService.getI18nInstance(context.req.locale),
+      );
     }
   }
 
@@ -188,7 +207,7 @@ export class FieldMetadataResolver {
       id: fieldMetadataId,
       objectMetadataId,
     }: Pick<FieldMetadataDTO, 'id' | 'objectMetadataId'>,
-    @Context() context: { loaders: IDataloaders },
+    @Context() context: { loaders: IDataloaders } & I18nContext,
   ): Promise<RelationDTO[] | null> {
     try {
       return await context.loaders.morphRelationLoader.load({
@@ -197,7 +216,10 @@ export class FieldMetadataResolver {
         workspaceId: workspace.id,
       });
     } catch (error) {
-      return fieldMetadataGraphqlApiExceptionHandler(error);
+      return fieldMetadataGraphqlApiExceptionHandler(
+        error,
+        this.i18nService.getI18nInstance(context.req.locale),
+      );
     }
   }
 }

packages/twenty-server/src/engine/metadata-modules/field-metadata/interceptors/field-metadata-graphql-api-exception.interceptor.ts

@@ -1,20 +1,34 @@
 import {
   type CallHandler,
   type ExecutionContext,
+  Injectable,
   type NestInterceptor,
 } from '@nestjs/common';
+import { GqlExecutionContext } from '@nestjs/graphql';
 
 import { type Observable, catchError } from 'rxjs';
+import { SOURCE_LOCALE } from 'twenty-shared/translations';
 
+import { I18nService } from 'src/engine/core-modules/i18n/i18n.service';
 import { fieldMetadataGraphqlApiExceptionHandler } from 'src/engine/metadata-modules/field-metadata/utils/field-metadata-graphql-api-exception-handler.util';
 
+@Injectable()
 export class FieldMetadataGraphqlApiExceptionInterceptor
   implements NestInterceptor
 {
+  constructor(private readonly i18nService: I18nService) {}
+
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  intercept(_: ExecutionContext, next: CallHandler): Observable<any> {
+  intercept(context: ExecutionContext, next: CallHandler): Observable<any> {
+    const gqlContext = GqlExecutionContext.create(context);
+    const ctx = gqlContext.getContext();
+    const locale = ctx.req?.locale ?? SOURCE_LOCALE;
+    const i18n = this.i18nService.getI18nInstance(locale);
+
     return next
       .handle()
-      .pipe(catchError((err) => fieldMetadataGraphqlApiExceptionHandler(err)));
+      .pipe(
+        catchError((err) => fieldMetadataGraphqlApiExceptionHandler(err, i18n)),
+      );
   }
 }

packages/twenty-server/src/engine/metadata-modules/field-metadata/services/field-metadata-enum-validation.service.ts

@@ -1,6 +1,7 @@
 import { Injectable } from '@nestjs/common';
 
-import { t } from '@lingui/core/macro';
+import { type MessageDescriptor } from '@lingui/core';
+import { msg } from '@lingui/core/macro';
 import { isNonEmptyString } from '@sniptt/guards';
 import {
   type EnumFieldMetadataType,
@@ -31,7 +32,7 @@ import { isSnakeCaseString } from 'src/utils/is-snake-case-string';
 
 type Validator<T> = {
   validator: (str: T) => boolean;
-  message: string;
+  message: MessageDescriptor;
 };
 
 type FieldMetadataUpdateCreateInput = CreateFieldInput | UpdateFieldInput;
@@ -59,7 +60,7 @@ export class FieldMetadataEnumValidationService {
 
     if (shouldThrow) {
       throw new FieldMetadataException(
-        message,
+        message.message ?? 'Invalid field input',
         FieldMetadataExceptionCode.INVALID_FIELD_INPUT,
         {
           userFriendlyMessage: message,
@@ -72,11 +73,11 @@ export class FieldMetadataEnumValidationService {
     const validators: Validator<string>[] = [
       {
         validator: (id) => !isDefined(id),
-        message: 'Option id is required',
+        message: msg`Option id is required`,
       },
       {
         validator: (id) => !z.string().uuid().safeParse(id).success,
-        message: 'Option id is invalid',
+        message: msg`Option id is invalid`,
       },
     ];
 
@@ -89,23 +90,23 @@ export class FieldMetadataEnumValidationService {
     const validators: Validator<string>[] = [
       {
         validator: (label) => !isDefined(label),
-        message: t`Option label is required`,
+        message: msg`Option label is required`,
       },
       {
         validator: exceedsDatabaseIdentifierMaximumLength,
-        message: t`Option label exceeds 63 characters`,
+        message: msg`Option label exceeds 63 characters`,
       },
       {
         validator: beneathDatabaseIdentifierMinimumLength,
-        message: t`Option label "${sanitizedLabel}" is beneath 1 character`,
+        message: msg`Option label "${sanitizedLabel}" is beneath 1 character`,
       },
       {
         validator: (label) => label.includes(','),
-        message: t`Label must not contain a comma`,
+        message: msg`Label must not contain a comma`,
       },
       {
         validator: (label) => !isNonEmptyString(label) || label === ' ',
-        message: t`Label must not be empty`,
+        message: msg`Label must not be empty`,
       },
     ];
 
@@ -118,19 +119,19 @@ export class FieldMetadataEnumValidationService {
     const validators: Validator<string>[] = [
       {
         validator: (value) => !isDefined(value),
-        message: t`Option value is required`,
+        message: msg`Option value is required`,
       },
       {
         validator: exceedsDatabaseIdentifierMaximumLength,
-        message: t`Option value exceeds 63 characters`,
+        message: msg`Option value exceeds 63 characters`,
       },
       {
         validator: beneathDatabaseIdentifierMinimumLength,
-        message: t`Option value "${sanitizedValue}" is beneath 1 character`,
+        message: msg`Option value "${sanitizedValue}" is beneath 1 character`,
       },
       {
         validator: (value) => !isSnakeCaseString(value),
-        message: `Value must be in UPPER_CASE and follow snake_case "${sanitizedValue}"`,
+        message: msg`Value must be in UPPER_CASE and follow snake_case "${sanitizedValue}"`,
       },
     ];
 
@@ -153,7 +154,7 @@ export class FieldMetadataEnumValidationService {
     const duplicatedValidators = fieldsToCheckForDuplicates.map<
       Validator<FieldMetadataDefaultOption[] | FieldMetadataComplexOption[]>
     >((field) => ({
-      message: `Duplicated option ${field}`,
+      message: msg`Duplicated option ${field}`,
       validator: () =>
         new Set(options.map((option) => option[field])).size !== options.length,
     }));
@@ -198,7 +199,7 @@ export class FieldMetadataEnumValidationService {
     const validators: Validator<string>[] = [
       {
         validator: (value: string) => !QUOTED_STRING_REGEX.test(value),
-        message: 'Default value should be as quoted string',
+        message: msg`Default value should be as quoted string`,
       },
       {
         validator: (value: string) =>
@@ -206,7 +207,7 @@ export class FieldMetadataEnumValidationService {
             (option) =>
               option.value === value.replace(QUOTED_STRING_REGEX, '$1'),
           ),
-        message: `Default value "${defaultValue}" must be one of the option values`,
+        message: msg`Default value "${defaultValue}" must be one of the option values`,
       },
     ];
 
@@ -229,11 +230,11 @@ export class FieldMetadataEnumValidationService {
     const validators: Validator<string[]>[] = [
       {
         validator: (values) => values.length === 0,
-        message: 'If defined default value must contain at least one value',
+        message: msg`If defined default value must contain at least one value`,
       },
       {
         validator: (values) => new Set(values).size !== values.length,
-        message: 'Default values must be unique',
+        message: msg`Default values must be unique`,
       },
     ];
 

packages/twenty-server/src/engine/metadata-modules/field-metadata/services/field-metadata-relation.service.ts

@@ -1,6 +1,6 @@
 import { Injectable } from '@nestjs/common';
 
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { IsEnum, IsString, IsUUID } from 'class-validator';
 import { FieldMetadataType } from 'twenty-shared/types';
 import { isDefined } from 'twenty-shared/utils';
@@ -201,7 +201,7 @@ export class FieldMetadataRelationService {
             `Name "${computedMetadataNameFromLabel}" cannot be the same on both side of the relation`,
             FieldMetadataExceptionCode.INVALID_FIELD_INPUT,
             {
-              userFriendlyMessage: t`Name "${computedMetadataNameFromLabel}" cannot be the same on both side of the relation`,
+              userFriendlyMessage: msg`Name "${computedMetadataNameFromLabel}" cannot be the same on both side of the relation`,
             },
           );
         }

packages/twenty-server/src/engine/metadata-modules/field-metadata/services/field-metadata-validation.service.ts

@@ -1,6 +1,6 @@
 import { Injectable } from '@nestjs/common';
 
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { type ClassConstructor, plainToInstance } from 'class-transformer';
 import {
   IsArray,
@@ -196,7 +196,7 @@ export class FieldMetadataValidationService {
             `Name "${fieldMetadataInput.name}" is not available, check that it is not duplicating another field's name.`,
             FieldMetadataExceptionCode.INVALID_FIELD_INPUT,
             {
-              userFriendlyMessage: t`Name is not available, it may be duplicating another field's name.`,
+              userFriendlyMessage: msg`Name is not available, it may be duplicating another field's name.`,
             },
           );
         }

packages/twenty-server/src/engine/metadata-modules/field-metadata/services/field-metadata.service.ts

@@ -1,7 +1,7 @@
 import { Injectable } from '@nestjs/common';
 import { InjectDataSource, InjectRepository } from '@nestjs/typeorm';
 
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { TypeOrmQueryService } from '@ptc-org/nestjs-query-typeorm';
 import { FieldMetadataType } from 'twenty-shared/types';
 import { isDefined } from 'twenty-shared/utils';
@@ -190,7 +190,7 @@ export class FieldMetadataService extends TypeOrmQueryService<FieldMetadataEntit
         'Unique field cannot have a default value',
         FieldMetadataExceptionCode.INVALID_FIELD_INPUT,
         {
-          userFriendlyMessage: t`Unique field cannot have a default value`,
+          userFriendlyMessage: msg`Unique field cannot have a default value`,
         },
       );
     }
@@ -469,7 +469,7 @@ export class FieldMetadataService extends TypeOrmQueryService<FieldMetadataEntit
           'Cannot delete, please update the label identifier field first',
           FieldMetadataExceptionCode.FIELD_MUTATION_NOT_ALLOWED,
           {
-            userFriendlyMessage: t`Cannot delete, please update the label identifier field first`,
+            userFriendlyMessage: msg`Cannot delete, please update the label identifier field first`,
           },
         );
       }
@@ -830,7 +830,7 @@ export class FieldMetadataService extends TypeOrmQueryService<FieldMetadataEntit
         'Unique field cannot have a default value',
         FieldMetadataExceptionCode.INVALID_FIELD_INPUT,
         {
-          userFriendlyMessage: t`Unique field cannot have a default value`,
+          userFriendlyMessage: msg`Unique field cannot have a default value`,
         },
       );
 

packages/twenty-server/src/engine/metadata-modules/field-metadata/utils/field-metadata-graphql-api-exception-handler.util.ts

@@ -1,3 +1,4 @@
+import { type I18n } from '@lingui/core';
 import { assertUnreachable } from 'twenty-shared/utils';
 
 import {
@@ -14,9 +15,12 @@ import { InvalidMetadataException } from 'src/engine/metadata-modules/utils/exce
 import { WorkspaceMigrationBuilderExceptionV2 } from 'src/engine/workspace-manager/workspace-migration-v2/exceptions/workspace-migration-builder-exception-v2';
 import { workspaceMigrationBuilderExceptionV2Formatter } from 'src/engine/workspace-manager/workspace-migration-v2/interceptors/workspace-migration-builder-exception-v2-formatter';
 
-export const fieldMetadataGraphqlApiExceptionHandler = (error: Error) => {
+export const fieldMetadataGraphqlApiExceptionHandler = (
+  error: Error,
+  i18n: I18n,
+) => {
   if (error instanceof WorkspaceMigrationBuilderExceptionV2) {
-    workspaceMigrationBuilderExceptionV2Formatter(error);
+    workspaceMigrationBuilderExceptionV2Formatter(error, i18n);
   }
 
   if (error instanceof InvalidMetadataException) {

packages/twenty-server/src/engine/metadata-modules/flat-field-metadata/__tests__/__snapshots__/morph-relation-from-create-field-input-to-flat-field-metadatas-to-create.spec.ts.snap

@@ -5,7 +5,10 @@ exports[`fromCreateFieldInputToFlatFieldMetadatasToCreate MORPH_RELATION test su
   "error": {
     "code": "FIELD_METADATA_RELATION_MALFORMED",
     "message": "Morph relation creation payloads must have the same relation type",
-    "userFriendlyMessage": "Morph relation creation payloads must have the same relation type",
+    "userFriendlyMessage": {
+      "id": Any<String>,
+      "message": "Morph relation creation payloads must have the same relation type",
+    },
   },
   "status": "fail",
 }
@@ -16,7 +19,10 @@ exports[`fromCreateFieldInputToFlatFieldMetadatasToCreate MORPH_RELATION test su
   "error": {
     "code": "FIELD_METADATA_RELATION_MALFORMED",
     "message": "Morph relation input transpilation failed",
-    "userFriendlyMessage": "Invalid morph relation input",
+    "userFriendlyMessage": {
+      "id": Any<String>,
+      "message": "Invalid morph relation input",
+    },
     "value": [
       {
         "targetObjectMetadataId": Any<String>,
@@ -33,7 +39,10 @@ exports[`fromCreateFieldInputToFlatFieldMetadatasToCreate MORPH_RELATION test su
   "error": {
     "code": "FIELD_METADATA_RELATION_MALFORMED",
     "message": "Morph relation creation payloads must have only relation to the same object metadata",
-    "userFriendlyMessage": "Morph relation creation payloads must only contain relation to the same object metadata",
+    "userFriendlyMessage": {
+      "id": Any<String>,
+      "message": "Morph relation creation payloads must only contain relation to the same object metadata",
+    },
   },
   "status": "fail",
 }
@@ -44,7 +53,10 @@ exports[`fromCreateFieldInputToFlatFieldMetadatasToCreate MORPH_RELATION test su
   "error": {
     "code": "FIELD_METADATA_RELATION_MALFORMED",
     "message": "Morph relation creation payloads are empty",
-    "userFriendlyMessage": "At least one relation is require",
+    "userFriendlyMessage": {
+      "id": Any<String>,
+      "message": "At least one relation is require",
+    },
   },
   "status": "fail",
 }
@@ -55,7 +67,10 @@ exports[`fromCreateFieldInputToFlatFieldMetadatasToCreate MORPH_RELATION test su
   "error": {
     "code": "INVALID_FIELD_INPUT",
     "message": "Relation creation payload is required",
-    "userFriendlyMessage": "Relation creation payload is required",
+    "userFriendlyMessage": {
+      "id": Any<String>,
+      "message": "Relation creation payload is required",
+    },
     "value": undefined,
   },
   "status": "fail",
@@ -67,7 +82,10 @@ exports[`fromCreateFieldInputToFlatFieldMetadatasToCreate MORPH_RELATION test su
   "error": {
     "code": "FIELD_METADATA_RELATION_MALFORMED",
     "message": "Morph relation input transpilation failed",
-    "userFriendlyMessage": "Invalid morph relation input",
+    "userFriendlyMessage": {
+      "id": Any<String>,
+      "message": "Invalid morph relation input",
+    },
     "value": [
       {
         "targetFieldIcon": "IconPet",

packages/twenty-server/src/engine/metadata-modules/flat-field-metadata/services/flat-field-metadata-type-validator.service.ts

@@ -1,6 +1,6 @@
 import { Injectable } from '@nestjs/common';
 
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { isDefined } from 'class-validator';
 import { FieldMetadataType } from 'twenty-shared/types';
 
@@ -66,7 +66,7 @@ export class FlatFieldMetadataTypeValidatorService {
             {
               code: FieldMetadataExceptionCode.UNCOVERED_FIELD_METADATA_TYPE_VALIDATION,
               message: 'Morph relation feature flag is disabled',
-              userFriendlyMessage: t`Morph relation fields are disabled for your workspace`,
+              userFriendlyMessage: msg`Morph relation fields are disabled for your workspace`,
             },
           ];
         }
@@ -192,7 +192,7 @@ export class FlatFieldMetadataTypeValidatorService {
           code: FieldMetadataExceptionCode.UNCOVERED_FIELD_METADATA_TYPE_VALIDATION,
           message: `Unsupported field metadata type ${fieldType}`,
           value: fieldType,
-          userFriendlyMessage: t`Unsupported field metadata type ${fieldType}`,
+          userFriendlyMessage: msg`Unsupported field metadata type ${fieldType}`,
         },
       ];
     }

packages/twenty-server/src/engine/metadata-modules/flat-field-metadata/types/flat-field-metadata-validation-error.type.ts

@@ -1,8 +1,10 @@
+import { type MessageDescriptor } from '@lingui/core';
+
 import { type FieldMetadataExceptionCode } from 'src/engine/metadata-modules/field-metadata/field-metadata.exception';
 
 export type FlatFieldMetadataValidationError = {
   code: FieldMetadataExceptionCode;
   message: string;
-  userFriendlyMessage?: string;
+  userFriendlyMessage?: MessageDescriptor;
   value?: unknown;
 };

packages/twenty-server/src/engine/metadata-modules/flat-field-metadata/utils/from-create-field-input-to-flat-field-metadatas-to-create.util.ts

@@ -1,4 +1,4 @@
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { FieldMetadataType } from 'twenty-shared/types';
 import {
   assertUnreachable,
@@ -59,7 +59,7 @@ export const fromCreateFieldInputToFlatFieldMetadatasToCreate = async ({
       error: {
         code: FieldMetadataExceptionCode.OBJECT_METADATA_NOT_FOUND,
         message: 'Provided object metadata id does not exist',
-        userFriendlyMessage: t`Created field metadata, parent object metadata not found`,
+        userFriendlyMessage: msg`Created field metadata, parent object metadata not found`,
       },
     };
   }

packages/twenty-server/src/engine/metadata-modules/flat-field-metadata/utils/from-morph-relation-create-field-input-to-flat-field-metadatas.util.ts

@@ -1,4 +1,4 @@
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { type FieldMetadataType } from 'twenty-shared/types';
 import { computeMorphRelationFieldName, isDefined } from 'twenty-shared/utils';
 import { v4 } from 'uuid';
@@ -45,7 +45,7 @@ export const fromMorphRelationCreateFieldInputToFlatFieldMetadatas = async ({
       error: {
         code: FieldMetadataExceptionCode.INVALID_FIELD_INPUT,
         message: `Relation creation payload is required`,
-        userFriendlyMessage: t`Relation creation payload is required`,
+        userFriendlyMessage: msg`Relation creation payload is required`,
         value: rawMorphCreationPayload,
       },
     };

packages/twenty-server/src/engine/metadata-modules/flat-field-metadata/utils/from-relation-create-field-input-to-flat-field-metadatas.util.ts

@@ -1,4 +1,4 @@
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { type FieldMetadataType } from 'twenty-shared/types';
 import { isDefined } from 'twenty-shared/utils';
 
@@ -38,7 +38,7 @@ export const fromRelationCreateFieldInputToFlatFieldMetadatas = async ({
       error: {
         code: FieldMetadataExceptionCode.INVALID_FIELD_INPUT,
         message: `Relation creation payload is required`,
-        userFriendlyMessage: t`Relation creation payload is required`,
+        userFriendlyMessage: msg`Relation creation payload is required`,
         value: rawCreationPayload,
       },
     };

packages/twenty-server/src/engine/metadata-modules/flat-field-metadata/utils/from-update-field-input-to-flat-field-metadata.util.ts

@@ -1,4 +1,4 @@
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import {
   extractAndSanitizeObjectStringFields,
   isDefined,
@@ -150,7 +150,7 @@ export const fromUpdateFieldInputToFlatFieldMetadata = ({
       error: {
         code: FieldMetadataExceptionCode.FIELD_METADATA_NOT_FOUND,
         message: 'Field metadata to update not found',
-        userFriendlyMessage: t`Field metadata to update not found`,
+        userFriendlyMessage: msg`Field metadata to update not found`,
       },
     };
   }
@@ -172,7 +172,7 @@ export const fromUpdateFieldInputToFlatFieldMetadata = ({
         error: {
           code: FieldMetadataExceptionCode.INVALID_FIELD_INPUT,
           message: `Cannot update standard field metadata properties: ${invalidProperties}`,
-          userFriendlyMessage: t`Cannot update standard field properties: ${invalidProperties}`,
+          userFriendlyMessage: msg`Cannot update standard field properties: ${invalidProperties}`,
         },
       };
     }

packages/twenty-server/src/engine/metadata-modules/flat-field-metadata/validators/utils/validate-enum-flat-field-metadata.util.ts

@@ -53,7 +53,7 @@ const validateMetadataOptionLabel = (
       {
         code: FieldMetadataExceptionCode.INVALID_FIELD_INPUT,
         message: t`Option label is required`,
-        userFriendlyMessage: t`Option label is required`,
+        userFriendlyMessage: msg`Option label is required`,
       },
     ];
   }
@@ -63,7 +63,7 @@ const validateMetadataOptionLabel = (
       {
         code: FieldMetadataExceptionCode.INVALID_FIELD_INPUT,
         message: t`Option label must be a string of at least one character`,
-        userFriendlyMessage: t`Option label format not supported`,
+        userFriendlyMessage: msg`Option label format not supported`,
         value: sanitizedLabel,
       },
     ];
@@ -102,7 +102,7 @@ const validateMetadataOptionValue = (
       {
         code: FieldMetadataExceptionCode.INVALID_FIELD_INPUT,
         message: t`Option value is required`,
-        userFriendlyMessage: t`Option value is required`,
+        userFriendlyMessage: msg`Option value is required`,
       },
     ];
   }
@@ -112,7 +112,7 @@ const validateMetadataOptionValue = (
       {
         code: FieldMetadataExceptionCode.INVALID_FIELD_INPUT,
         message: t`Option value must be a string of at least one character`,
-        userFriendlyMessage: t`Option value format not supported`,
+        userFriendlyMessage: msg`Option value format not supported`,
       },
     ];
   }
@@ -175,7 +175,7 @@ const validateFieldMetadataInputOptions = <T extends EnumFieldMetadataType>(
       {
         code: FieldMetadataExceptionCode.INVALID_FIELD_INPUT,
         message: 'Options are required for enum fields',
-        userFriendlyMessage: t`Options are required for enum fields`,
+        userFriendlyMessage: msg`Options are required for enum fields`,
         value: options,
       },
     ];
@@ -206,7 +206,7 @@ const validateSelectDefaultValue = ({
       {
         code: FieldMetadataExceptionCode.INVALID_FIELD_INPUT,
         message: `Default value for select must be a string got ${defaultValue}`,
-        userFriendlyMessage: t`Default value must be a string`,
+        userFriendlyMessage: msg`Default value must be a string`,
         value: defaultValue,
       },
     ];
@@ -243,7 +243,7 @@ const validateMultiSelectDefaultValue = ({
     return [
       {
         code: FieldMetadataExceptionCode.INVALID_FIELD_INPUT,
-        userFriendlyMessage: t`Multi-select field default value must be an array`,
+        userFriendlyMessage: msg`Multi-select field default value must be an array`,
         message: `Default value for multi-select must be an array got ${multiSelectDefaultValue}`,
         value: multiSelectDefaultValue,
       },

packages/twenty-server/src/engine/metadata-modules/flat-field-metadata/validators/utils/validate-flat-field-metadata-name-availability.util.ts

@@ -1,4 +1,4 @@
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { FieldMetadataType } from 'twenty-shared/types';
 import { isDefined } from 'twenty-shared/utils';
 
@@ -101,7 +101,7 @@ export const validateFlatFieldMetadataNameAvailability = ({
       code: FieldMetadataExceptionCode.NOT_AVAILABLE,
       value: flatFieldMetadataName,
       message: `Name "${flatFieldMetadataName}" is not available as it is already used by another field`,
-      userFriendlyMessage: t`Name "${flatFieldMetadataName}" is not available as it is already used by another field`,
+      userFriendlyMessage: msg`Name "${flatFieldMetadataName}" is not available as it is already used by another field`,
     });
   }
 
@@ -110,7 +110,7 @@ export const validateFlatFieldMetadataNameAvailability = ({
       code: FieldMetadataExceptionCode.RESERVED_KEYWORD,
       message: `Name "${flatFieldMetadataName}" is reserved composite field name`,
       value: flatFieldMetadataName,
-      userFriendlyMessage: t`Name "${flatFieldMetadataName}" is not available`,
+      userFriendlyMessage: msg`Name "${flatFieldMetadataName}" is not available`,
     });
   }
 

packages/twenty-server/src/engine/metadata-modules/flat-field-metadata/validators/utils/validate-flat-field-metadata-name.util.ts

@@ -1,5 +1,3 @@
-import { t } from '@lingui/core/macro';
-
 import { FieldMetadataExceptionCode } from 'src/engine/metadata-modules/field-metadata/field-metadata.exception';
 import { type FlatFieldMetadataValidationError } from 'src/engine/metadata-modules/flat-field-metadata/types/flat-field-metadata-validation-error.type';
 import { METADATA_NAME_VALIDATORS } from 'src/engine/metadata-modules/utils/constants/metadata-name-flat-metadata-validators.constants';
@@ -13,8 +11,8 @@ export const validateFlatFieldMetadataName = (
     if (isInvalid) {
       return {
         code: FieldMetadataExceptionCode.INVALID_FIELD_INPUT,
-        message: t(message),
-        userFriendlyMessage: t(message),
+        message: message.message ?? '',
+        userFriendlyMessage: message,
         value: name,
       };
     }

packages/twenty-server/src/engine/metadata-modules/flat-field-metadata/validators/utils/validate-morph-or-relation-flat-field-metadata.util.ts

@@ -1,4 +1,4 @@
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { isDefined, isValidUuid } from 'twenty-shared/utils';
 
 import { FieldMetadataExceptionCode } from 'src/engine/metadata-modules/field-metadata/field-metadata.exception';
@@ -26,7 +26,7 @@ export const validateMorphOrRelationFlatFieldMetadata = async ({
       : {
           code: FieldMetadataExceptionCode.INVALID_FIELD_INPUT,
           message: `Invalid uuid ${id}`,
-          userFriendlyMessage: t`Invalid uuid ${id}`,
+          userFriendlyMessage: msg`Invalid uuid ${id}`,
           value: id,
         },
   );
@@ -44,7 +44,7 @@ export const validateMorphOrRelationFlatFieldMetadata = async ({
     errors.push({
       code: FieldMetadataExceptionCode.OBJECT_METADATA_NOT_FOUND,
       message: 'Relation target object metadata not found',
-      userFriendlyMessage: t`Object targeted by the relation not found`,
+      userFriendlyMessage: msg`Object targeted by the relation not found`,
     });
   }
 
@@ -61,7 +61,7 @@ export const validateMorphOrRelationFlatFieldMetadata = async ({
       message: isDefined(remainingFlatEntityMapsToValidate)
         ? 'Relation field target metadata not found in both existing and about to be created field metadatas'
         : 'Relation field target metadata not found',
-      userFriendlyMessage: t`Relation field target metadata not found`,
+      userFriendlyMessage: msg`Relation field target metadata not found`,
     });
   }
 

packages/twenty-server/src/engine/metadata-modules/flat-field-metadata/validators/utils/validate-morph-relation-creation-payload.util.ts

@@ -1,4 +1,4 @@
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { isDefined } from 'class-validator';
 import { type RelationCreationPayload } from 'twenty-shared/types';
 
@@ -35,7 +35,7 @@ export const validateMorphRelationCreationPayload = async ({
       error: {
         code: FieldMetadataExceptionCode.FIELD_METADATA_RELATION_MALFORMED,
         message: 'Morph relation creation payloads are empty',
-        userFriendlyMessage: t`At least one relation is require`,
+        userFriendlyMessage: msg`At least one relation is require`,
       },
     };
   }
@@ -55,7 +55,7 @@ export const validateMorphRelationCreationPayload = async ({
         code: FieldMetadataExceptionCode.FIELD_METADATA_RELATION_MALFORMED,
         message:
           'Morph relation creation payloads must have the same relation type',
-        userFriendlyMessage: t`Morph relation creation payloads must have the same relation type`,
+        userFriendlyMessage: msg`Morph relation creation payloads must have the same relation type`,
       },
     };
   }
@@ -74,7 +74,7 @@ export const validateMorphRelationCreationPayload = async ({
         code: FieldMetadataExceptionCode.FIELD_METADATA_RELATION_MALFORMED,
         message:
           'Morph relation creation payloads must not target source object metadata',
-        userFriendlyMessage: t`Morph relation creation payloads must only contain relation to other object metadata`,
+        userFriendlyMessage: msg`Morph relation creation payloads must only contain relation to other object metadata`,
       },
     };
   }
@@ -88,7 +88,7 @@ export const validateMorphRelationCreationPayload = async ({
         code: FieldMetadataExceptionCode.FIELD_METADATA_RELATION_MALFORMED,
         message:
           'Morph relation creation payloads must have only relation to the same object metadata',
-        userFriendlyMessage: t`Morph relation creation payloads must only contain relation to the same object metadata`,
+        userFriendlyMessage: msg`Morph relation creation payloads must only contain relation to the same object metadata`,
       },
     };
   }
@@ -130,7 +130,7 @@ export const validateMorphRelationCreationPayload = async ({
       error: {
         code: FieldMetadataExceptionCode.FIELD_METADATA_RELATION_MALFORMED,
         message: 'Morph relation input transpilation failed',
-        userFriendlyMessage: t`Invalid morph relation input`,
+        userFriendlyMessage: msg`Invalid morph relation input`,
         value: relationCreationPayloadReport.failed
           .map((failedTranspilation) => failedTranspilation.error.value)
           .filter(isDefined),

packages/twenty-server/src/engine/metadata-modules/flat-field-metadata/validators/utils/validate-relation-creation-payload.util.ts

@@ -1,4 +1,4 @@
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { type RelationCreationPayload } from 'twenty-shared/types';
 import {
   isDefined,
@@ -42,7 +42,7 @@ export const validateRelationCreationPayload = async ({
         error: {
           code: FieldMetadataExceptionCode.FIELD_METADATA_RELATION_MALFORMED,
           message: `Relation creation payload is invalid`,
-          userFriendlyMessage: t`Invalid relation creation payload`,
+          userFriendlyMessage: msg`Invalid relation creation payload`,
           value: relationCreationPayload,
         },
       };
@@ -62,7 +62,7 @@ export const validateRelationCreationPayload = async ({
       error: {
         code: FieldMetadataExceptionCode.FIELD_METADATA_RELATION_MALFORMED,
         message: `Object metadata relation target not found for relation creation payload`,
-        userFriendlyMessage: t`Object targeted by field to create not found`,
+        userFriendlyMessage: msg`Object targeted by field to create not found`,
         value: relationCreationPayload,
       },
     };

packages/twenty-server/src/engine/metadata-modules/flat-object-metadata/types/flat-object-metadata-validation-error.type.ts

@@ -1,8 +1,10 @@
+import { type MessageDescriptor } from '@lingui/core';
+
 import { type ObjectMetadataExceptionCode } from 'src/engine/metadata-modules/object-metadata/object-metadata.exception';
 
 export type FlatObjectMetadataValidationError = {
   code: ObjectMetadataExceptionCode;
   message: string;
-  userFriendlyMessage?: string;
+  userFriendlyMessage?: MessageDescriptor;
   value?: unknown;
 };

packages/twenty-server/src/engine/metadata-modules/flat-object-metadata/validators/utils/validate-flat-object-metadata-identifiers.util.ts

@@ -1,4 +1,4 @@
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import {
   isDefined,
   isLabelIdentifierFieldMetadataTypes,
@@ -38,14 +38,14 @@ export const validateFlatObjectMetadataIdentifiers = ({
         code: ObjectMetadataExceptionCode.INVALID_OBJECT_INPUT,
         message:
           'labelIdentifierFieldMetadataId validation failed: related field metadata not found',
-        userFriendlyMessage: t`Field declared as label identifier not found`,
+        userFriendlyMessage: msg`Field declared as label identifier not found`,
       });
     } else if (!isLabelIdentifierFieldMetadataTypes(flatFieldMetadata.type)) {
       errors.push({
         code: ObjectMetadataExceptionCode.INVALID_OBJECT_INPUT,
         message:
           'labelIdentifierFieldMetadataId validation failed: field type not compatible',
-        userFriendlyMessage: t`Field cannot be used as label identifier`,
+        userFriendlyMessage: msg`Field cannot be used as label identifier`,
       });
     }
   }
@@ -61,7 +61,7 @@ export const validateFlatObjectMetadataIdentifiers = ({
         code: ObjectMetadataExceptionCode.INVALID_OBJECT_INPUT,
         message:
           'imageIdentifierFieldMetadataId validation failed: related field metadata not found',
-        userFriendlyMessage: t`Field declared as image identifier not found`,
+        userFriendlyMessage: msg`Field declared as image identifier not found`,
       });
     }
   }

packages/twenty-server/src/engine/metadata-modules/flat-object-metadata/validators/utils/validate-flat-object-metadata-label.util.ts

@@ -1,4 +1,4 @@
-import { msg, t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 
 import { type FlatObjectMetadataValidationError } from 'src/engine/metadata-modules/flat-object-metadata/types/flat-object-metadata-validation-error.type';
 import { type FlatObjectMetadata } from 'src/engine/metadata-modules/flat-object-metadata/types/flat-object-metadata.type';
@@ -44,7 +44,7 @@ export const validateFlatObjectMetadataLabel = ({
     errors.push({
       code: ObjectMetadataExceptionCode.INVALID_OBJECT_INPUT,
       message: `The singular and plural labels cannot be the same for an object`,
-      userFriendlyMessage: t`The singular and plural labels cannot be the same for an object`,
+      userFriendlyMessage: msg`The singular and plural labels cannot be the same for an object`,
       value: labelSingular,
     });
   }

packages/twenty-server/src/engine/metadata-modules/flat-object-metadata/validators/utils/validate-flat-object-metadata-name-and-labels.util.ts

@@ -1,4 +1,4 @@
-import { t } from '@lingui/core/macro';
+import { t, msg } from '@lingui/core/macro';
 
 import { type FlatEntityMaps } from 'src/engine/core-modules/common/types/flat-entity-maps.type';
 import { type FlatObjectMetadataValidationError } from 'src/engine/metadata-modules/flat-object-metadata/types/flat-object-metadata-validation-error.type';
@@ -39,7 +39,7 @@ export const validateFlatObjectMetadataNameAndLabels = ({
     errors.push({
       code: ObjectMetadataExceptionCode.INVALID_OBJECT_INPUT,
       message: t`Names are not synced with labels`,
-      userFriendlyMessage: t`Names are not synced with labels`,
+      userFriendlyMessage: msg`Names are not synced with labels`,
     });
   }
 
@@ -54,7 +54,7 @@ export const validateFlatObjectMetadataNameAndLabels = ({
     errors.push({
       code: ObjectMetadataExceptionCode.OBJECT_ALREADY_EXISTS,
       message: 'Object already exists',
-      userFriendlyMessage: t`Object already exists`,
+      userFriendlyMessage: msg`Object already exists`,
     });
   }
 

packages/twenty-server/src/engine/metadata-modules/flat-object-metadata/validators/utils/validate-flat-object-metadata-name.util.ts

@@ -1,4 +1,4 @@
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 
 import { type FlatObjectMetadataValidationError } from 'src/engine/metadata-modules/flat-object-metadata/types/flat-object-metadata-validation-error.type';
 import { type FlatObjectMetadata } from 'src/engine/metadata-modules/flat-object-metadata/types/flat-object-metadata.type';
@@ -30,7 +30,7 @@ export const validateFlatObjectMetadataNames = ({
     errors.push({
       code: ObjectMetadataExceptionCode.INVALID_OBJECT_INPUT,
       message: `The singular and plural names cannot be the same for an object`,
-      userFriendlyMessage: t`The singular and plural names cannot be the same for an object`,
+      userFriendlyMessage: msg`The singular and plural names cannot be the same for an object`,
       value: namePlural,
     });
   }

packages/twenty-server/src/engine/metadata-modules/index-metadata/index-field-metadata.exception.ts

@@ -1,3 +1,5 @@
+import { type MessageDescriptor } from '@lingui/core';
+
 import { CustomException } from 'src/utils/custom-exception';
 
 export class IndexMetadataException extends CustomException {
@@ -5,7 +7,7 @@ export class IndexMetadataException extends CustomException {
   constructor(
     message: string,
     code: IndexMetadataExceptionCode,
-    { userFriendlyMessage }: { userFriendlyMessage?: string } = {},
+    { userFriendlyMessage }: { userFriendlyMessage?: MessageDescriptor } = {},
   ) {
     super(message, code, { userFriendlyMessage });
   }

packages/twenty-server/src/engine/metadata-modules/index-metadata/index-metadata.resolver.ts

@@ -3,6 +3,8 @@ import { Context, Parent, ResolveField, Resolver } from '@nestjs/graphql';
 
 import { PreventNestToAutoLogGraphqlErrorsFilter } from 'src/engine/core-modules/graphql/filters/prevent-nest-to-auto-log-graphql-errors.filter';
 import { ResolverValidationPipe } from 'src/engine/core-modules/graphql/pipes/resolver-validation.pipe';
+import { I18nService } from 'src/engine/core-modules/i18n/i18n.service';
+import { type I18nContext } from 'src/engine/core-modules/i18n/types/i18n-context.type';
 import { Workspace } from 'src/engine/core-modules/workspace/workspace.entity';
 import { type IDataloaders } from 'src/engine/dataloaders/dataloader.interface';
 import { AuthWorkspace } from 'src/engine/decorators/auth/auth-workspace.decorator';
@@ -20,11 +22,13 @@ import { PermissionsGraphqlApiExceptionFilter } from 'src/engine/metadata-module
   PermissionsGraphqlApiExceptionFilter,
 )
 export class IndexMetadataResolver {
+  constructor(private readonly i18nService: I18nService) {}
+
   @ResolveField(() => [IndexFieldMetadataDTO], { nullable: false })
   async indexFieldMetadataList(
     @AuthWorkspace() workspace: Workspace,
     @Parent() indexMetadata: IndexMetadataDTO,
-    @Context() context: { loaders: IDataloaders },
+    @Context() context: { loaders: IDataloaders } & I18nContext,
   ): Promise<IndexFieldMetadataDTO[]> {
     try {
       const indexFieldMetadataItems =
@@ -36,7 +40,10 @@ export class IndexMetadataResolver {
 
       return indexFieldMetadataItems;
     } catch (error) {
-      objectMetadataGraphqlApiExceptionHandler(error);
+      objectMetadataGraphqlApiExceptionHandler(
+        error,
+        this.i18nService.getI18nInstance(context.req.locale),
+      );
 
       return [];
     }

packages/twenty-server/src/engine/metadata-modules/index-metadata/utils/validate-can-create-unique-index.util.ts

@@ -1,4 +1,4 @@
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { FieldMetadataType } from 'twenty-shared/types';
 
 import { compositeTypeDefinitions } from 'src/engine/metadata-modules/field-metadata/composite-types';
@@ -30,7 +30,7 @@ export const validateCanCreateUniqueIndex = (
       `Unique index cannot be created for field ${field.name} of type ${fieldType}`,
       FieldMetadataExceptionCode.INVALID_FIELD_INPUT,
       {
-        userFriendlyMessage: t`${fieldType} fields cannot be unique.`,
+        userFriendlyMessage: msg`${fieldType} fields cannot be unique.`,
       },
     );
   }

packages/twenty-server/src/engine/metadata-modules/object-metadata/interceptors/object-metadata-graphql-api-exception.interceptor.ts

@@ -1,20 +1,36 @@
 import {
   type CallHandler,
   type ExecutionContext,
+  Injectable,
   type NestInterceptor,
 } from '@nestjs/common';
+import { GqlExecutionContext } from '@nestjs/graphql';
 
 import { type Observable, catchError } from 'rxjs';
+import { SOURCE_LOCALE } from 'twenty-shared/translations';
 
+import { I18nService } from 'src/engine/core-modules/i18n/i18n.service';
 import { objectMetadataGraphqlApiExceptionHandler } from 'src/engine/metadata-modules/object-metadata/utils/object-metadata-graphql-api-exception-handler.util';
 
+@Injectable()
 export class ObjectMetadataGraphqlApiExceptionInterceptor
   implements NestInterceptor
 {
+  constructor(private readonly i18nService: I18nService) {}
+
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  intercept(_: ExecutionContext, next: CallHandler): Observable<any> {
+  intercept(context: ExecutionContext, next: CallHandler): Observable<any> {
+    const gqlContext = GqlExecutionContext.create(context);
+    const ctx = gqlContext.getContext();
+    const locale = ctx.req?.locale ?? SOURCE_LOCALE;
+    const i18n = this.i18nService.getI18nInstance(locale);
+
     return next
       .handle()
-      .pipe(catchError((err) => objectMetadataGraphqlApiExceptionHandler(err)));
+      .pipe(
+        catchError((err) =>
+          objectMetadataGraphqlApiExceptionHandler(err, i18n),
+        ),
+      );
   }
 }

packages/twenty-server/src/engine/metadata-modules/object-metadata/object-metadata.resolver.ts

@@ -117,6 +117,7 @@ export class ObjectMetadataResolver {
   async deleteOneObject(
     @Args('input') input: DeleteOneObjectInput,
     @AuthWorkspace() { id: workspaceId }: Workspace,
+    @Context() context: I18nContext,
   ) {
     try {
       return await this.objectMetadataService.deleteOneObject(
@@ -124,7 +125,10 @@ export class ObjectMetadataResolver {
         workspaceId,
       );
     } catch (error) {
-      objectMetadataGraphqlApiExceptionHandler(error);
+      objectMetadataGraphqlApiExceptionHandler(
+        error,
+        this.i18nService.getI18nInstance(context.req.locale),
+      );
     }
   }
 
@@ -148,7 +152,10 @@ export class ObjectMetadataResolver {
           workspaceId,
         });
       } catch (error) {
-        objectMetadataGraphqlApiExceptionHandler(error);
+        objectMetadataGraphqlApiExceptionHandler(
+          error,
+          this.i18nService.getI18nInstance(context.req.locale),
+        );
       }
     }
 
@@ -166,7 +173,10 @@ export class ObjectMetadataResolver {
         workspaceId,
       );
     } catch (error) {
-      objectMetadataGraphqlApiExceptionHandler(error);
+      objectMetadataGraphqlApiExceptionHandler(
+        error,
+        this.i18nService.getI18nInstance(context.req.locale),
+      );
     }
   }
 
@@ -187,7 +197,10 @@ export class ObjectMetadataResolver {
 
       return fieldMetadataItems;
     } catch (error) {
-      objectMetadataGraphqlApiExceptionHandler(error);
+      objectMetadataGraphqlApiExceptionHandler(
+        error,
+        this.i18nService.getI18nInstance(context.req.locale),
+      );
 
       return [];
     }
@@ -197,7 +210,7 @@ export class ObjectMetadataResolver {
   async indexMetadataList(
     @AuthWorkspace() workspace: Workspace,
     @Parent() objectMetadata: ObjectMetadataDTO,
-    @Context() context: { loaders: IDataloaders },
+    @Context() context: { loaders: IDataloaders } & I18nContext,
   ): Promise<IndexMetadataDTO[]> {
     try {
       const indexMetadataItems = await context.loaders.indexMetadataLoader.load(
@@ -209,7 +222,10 @@ export class ObjectMetadataResolver {
 
       return indexMetadataItems;
     } catch (error) {
-      objectMetadataGraphqlApiExceptionHandler(error);
+      objectMetadataGraphqlApiExceptionHandler(
+        error,
+        this.i18nService.getI18nInstance(context.req.locale),
+      );
 
       return [];
     }

packages/twenty-server/src/engine/metadata-modules/object-metadata/services/object-metadata-field-relation.service.ts

@@ -1,6 +1,7 @@
 import { Injectable } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
 
+import { msg } from '@lingui/core/macro';
 import { FieldMetadataType } from 'twenty-shared/types';
 import { capitalize, isDefined } from 'twenty-shared/utils';
 import { type QueryRunner, Repository } from 'typeorm';
@@ -607,7 +608,7 @@ export class ObjectMetadataFieldRelationService {
           `Name "${name}" is not available.`,
           ObjectMetadataExceptionCode.NAME_CONFLICT,
           {
-            userFriendlyMessage: `Name "${name}" is not available.`,
+            userFriendlyMessage: msg`Name "${name}" is not available.`,
           },
         );
       }

packages/twenty-server/src/engine/metadata-modules/object-metadata/utils/object-metadata-graphql-api-exception-handler.util.ts

@@ -1,3 +1,4 @@
+import { type I18n } from '@lingui/core';
 import { assertUnreachable } from 'twenty-shared/utils';
 
 import {
@@ -15,9 +16,12 @@ import { InvalidMetadataException } from 'src/engine/metadata-modules/utils/exce
 import { WorkspaceMigrationBuilderExceptionV2 } from 'src/engine/workspace-manager/workspace-migration-v2/exceptions/workspace-migration-builder-exception-v2';
 import { workspaceMigrationBuilderExceptionV2Formatter } from 'src/engine/workspace-manager/workspace-migration-v2/interceptors/workspace-migration-builder-exception-v2-formatter';
 
-export const objectMetadataGraphqlApiExceptionHandler = (error: Error) => {
+export const objectMetadataGraphqlApiExceptionHandler = (
+  error: Error,
+  i18n: I18n,
+) => {
   if (error instanceof WorkspaceMigrationBuilderExceptionV2) {
-    workspaceMigrationBuilderExceptionV2Formatter(error);
+    workspaceMigrationBuilderExceptionV2Formatter(error, i18n);
   }
 
   if (error instanceof InvalidMetadataException) {

packages/twenty-server/src/engine/metadata-modules/object-metadata/utils/validate-object-metadata-input.util.ts

@@ -1,3 +1,4 @@
+import { msg } from '@lingui/core/macro';
 import { isDefined } from 'twenty-shared/utils';
 
 import { type CreateObjectInput } from 'src/engine/metadata-modules/object-metadata/dtos/create-object.input';
@@ -35,7 +36,7 @@ export const validateObjectMetadataInputNameOrThrow = (name: string): void => {
         errorMessage,
         ObjectMetadataExceptionCode.INVALID_OBJECT_INPUT,
         {
-          userFriendlyMessage: errorMessage,
+          userFriendlyMessage: msg`Invalid object metadata input`,
         },
       );
     }

packages/twenty-server/src/engine/metadata-modules/object-permission/field-permission/field-permission.service.ts

@@ -1,6 +1,7 @@
 import { Injectable } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
 
+import { msg } from '@lingui/core/macro';
 import { type ObjectsPermissionsByRoleIdDeprecated } from 'twenty-shared/types';
 import { isDefined } from 'twenty-shared/utils';
 import { In, Repository } from 'typeorm';
@@ -207,8 +208,7 @@ export class FieldPermissionService {
         PermissionsExceptionMessage.ONLY_FIELD_RESTRICTION_ALLOWED,
         PermissionsExceptionCode.ONLY_FIELD_RESTRICTION_ALLOWED,
         {
-          userFriendlyMessage:
-            'Field permissions can only be used to restrict access, not to grant additional permissions.',
+          userFriendlyMessage: msg`Field permissions can only be used to restrict access, not to grant additional permissions.`,
         },
       );
     }
@@ -221,8 +221,7 @@ export class FieldPermissionService {
         PermissionsExceptionMessage.OBJECT_METADATA_NOT_FOUND,
         PermissionsExceptionCode.OBJECT_METADATA_NOT_FOUND,
         {
-          userFriendlyMessage:
-            'The object you are trying to set permissions for could not be found. It may have been deleted.',
+          userFriendlyMessage: msg`The object you are trying to set permissions for could not be found. It may have been deleted.`,
         },
       );
     }
@@ -232,8 +231,7 @@ export class FieldPermissionService {
         PermissionsExceptionMessage.CANNOT_ADD_FIELD_PERMISSION_ON_SYSTEM_OBJECT,
         PermissionsExceptionCode.CANNOT_ADD_FIELD_PERMISSION_ON_SYSTEM_OBJECT,
         {
-          userFriendlyMessage:
-            'You cannot set field permissions on system objects as they are managed by the platform.',
+          userFriendlyMessage: msg`You cannot set field permissions on system objects as they are managed by the platform.`,
         },
       );
     }
@@ -248,8 +246,7 @@ export class FieldPermissionService {
         PermissionsExceptionMessage.FIELD_METADATA_NOT_FOUND,
         PermissionsExceptionCode.FIELD_METADATA_NOT_FOUND,
         {
-          userFriendlyMessage:
-            'The field you are trying to set permissions for could not be found. It may have been deleted.',
+          userFriendlyMessage: msg`The field you are trying to set permissions for could not be found. It may have been deleted.`,
         },
       );
     }
@@ -262,8 +259,7 @@ export class FieldPermissionService {
         PermissionsExceptionMessage.OBJECT_PERMISSION_NOT_FOUND,
         PermissionsExceptionCode.OBJECT_PERMISSION_NOT_FOUND,
         {
-          userFriendlyMessage:
-            'No permissions are set for this role on the selected object. Please set object permissions first.',
+          userFriendlyMessage: msg`No permissions are set for this role on the selected object. Please set object permissions first.`,
         },
       );
     }
@@ -289,8 +285,7 @@ export class FieldPermissionService {
         PermissionsExceptionMessage.ROLE_NOT_FOUND,
         PermissionsExceptionCode.ROLE_NOT_FOUND,
         {
-          userFriendlyMessage:
-            'The role you are trying to modify could not be found. It may have been deleted or you may not have access to it.',
+          userFriendlyMessage: msg`The role you are trying to modify could not be found. It may have been deleted or you may not have access to it.`,
         },
       );
     }
@@ -304,8 +299,7 @@ export class FieldPermissionService {
         PermissionsExceptionMessage.ROLE_NOT_EDITABLE,
         PermissionsExceptionCode.ROLE_NOT_EDITABLE,
         {
-          userFriendlyMessage:
-            'This role cannot be modified because it is a system role. Only custom roles can be edited.',
+          userFriendlyMessage: msg`This role cannot be modified because it is a system role. Only custom roles can be edited.`,
         },
       );
     }
@@ -436,10 +430,12 @@ export class FieldPermissionService {
                   firstFieldPermission.canUpdateFieldValue;
 
               if (hasConflictingPermissions) {
+                const fieldName = fieldMetadata.name;
+
                 throw new UserInputError(
                   'Conflicting field permissions found for relation target field',
                   {
-                    userFriendlyMessage: `Contradicting field permissions have been detected on a relation field (${fieldMetadata.name}).`,
+                    userFriendlyMessage: msg`Contradicting field permissions have been detected on a relation field (${fieldName}).`,
                   },
                 );
               }

packages/twenty-server/src/engine/metadata-modules/object-permission/object-permission.service.ts

@@ -1,5 +1,6 @@
 import { InjectRepository } from '@nestjs/typeorm';
 
+import { msg } from '@lingui/core/macro';
 import { isDefined } from 'twenty-shared/utils';
 import { In, Repository } from 'typeorm';
 
@@ -66,8 +67,7 @@ export class ObjectPermissionService {
             'Object metadata id not found',
             PermissionsExceptionCode.OBJECT_METADATA_NOT_FOUND,
             {
-              userFriendlyMessage:
-                'The object you are trying to set permissions for could not be found. It may have been deleted.',
+              userFriendlyMessage: msg`The object you are trying to set permissions for could not be found. It may have been deleted.`,
             },
           );
         }
@@ -77,8 +77,7 @@ export class ObjectPermissionService {
             PermissionsExceptionMessage.CANNOT_ADD_OBJECT_PERMISSION_ON_SYSTEM_OBJECT,
             PermissionsExceptionCode.CANNOT_ADD_OBJECT_PERMISSION_ON_SYSTEM_OBJECT,
             {
-              userFriendlyMessage:
-                'You cannot set permissions on system objects as they are managed by the platform.',
+              userFriendlyMessage: msg`You cannot set permissions on system objects as they are managed by the platform.`,
             },
           );
         }
@@ -183,8 +182,7 @@ export class ObjectPermissionService {
             PermissionsExceptionMessage.CANNOT_GIVE_WRITING_PERMISSION_ON_NON_READABLE_OBJECT,
             PermissionsExceptionCode.CANNOT_GIVE_WRITING_PERMISSION_ON_NON_READABLE_OBJECT,
             {
-              userFriendlyMessage:
-                'You cannot grant edit permissions without also granting read permissions. Please enable read access first.',
+              userFriendlyMessage: msg`You cannot grant edit permissions without also granting read permissions. Please enable read access first.`,
             },
           );
         }
@@ -216,8 +214,7 @@ export class ObjectPermissionService {
           PermissionsExceptionMessage.ROLE_NOT_FOUND,
           PermissionsExceptionCode.ROLE_NOT_FOUND,
           {
-            userFriendlyMessage:
-              'The role you are trying to modify could not be found. It may have been deleted or you may not have access to it.',
+            userFriendlyMessage: msg`The role you are trying to modify could not be found. It may have been deleted or you may not have access to it.`,
           },
         );
       }
@@ -234,8 +231,7 @@ export class ObjectPermissionService {
           PermissionsExceptionMessage.OBJECT_METADATA_NOT_FOUND,
           PermissionsExceptionCode.OBJECT_METADATA_NOT_FOUND,
           {
-            userFriendlyMessage:
-              'One or more objects you are trying to set permissions for could not be found. They may have been deleted.',
+            userFriendlyMessage: msg`One or more objects you are trying to set permissions for could not be found. They may have been deleted.`,
           },
         );
       }
@@ -262,8 +258,7 @@ export class ObjectPermissionService {
         PermissionsExceptionMessage.ROLE_NOT_FOUND,
         PermissionsExceptionCode.ROLE_NOT_FOUND,
         {
-          userFriendlyMessage:
-            'The role you are trying to modify could not be found. It may have been deleted or you may not have access to it.',
+          userFriendlyMessage: msg`The role you are trying to modify could not be found. It may have been deleted or you may not have access to it.`,
         },
       );
     }
@@ -277,8 +272,7 @@ export class ObjectPermissionService {
         PermissionsExceptionMessage.ROLE_NOT_EDITABLE,
         PermissionsExceptionCode.ROLE_NOT_EDITABLE,
         {
-          userFriendlyMessage:
-            'This role cannot be modified because it is a system role. Only custom roles can be edited.',
+          userFriendlyMessage: msg`This role cannot be modified because it is a system role. Only custom roles can be edited.`,
         },
       );
     }

packages/twenty-server/src/engine/metadata-modules/permission-flag/permission-flag.service.ts

@@ -1,5 +1,6 @@
 import { InjectDataSource, InjectRepository } from '@nestjs/typeorm';
 
+import { msg } from '@lingui/core/macro';
 import { isDefined } from 'twenty-shared/utils';
 import { DataSource, In, Repository } from 'typeorm';
 
@@ -44,8 +45,7 @@ export class PermissionFlagService {
         `${PermissionsExceptionMessage.INVALID_SETTING}: ${invalidFlags.join(', ')}`,
         PermissionsExceptionCode.INVALID_SETTING,
         {
-          userFriendlyMessage:
-            'Some of the permissions you selected are not valid. Please try again with valid permission settings.',
+          userFriendlyMessage: msg`Some of the permissions you selected are not valid. Please try again with valid permission settings.`,
         },
       );
     }
@@ -119,8 +119,7 @@ export class PermissionFlagService {
             PermissionsExceptionMessage.ROLE_NOT_FOUND,
             PermissionsExceptionCode.ROLE_NOT_FOUND,
             {
-              userFriendlyMessage:
-                'The role you are trying to modify could not be found. It may have been deleted or you may not have access to it.',
+              userFriendlyMessage: msg`The role you are trying to modify could not be found. It may have been deleted or you may not have access to it.`,
             },
           );
         }
@@ -157,8 +156,7 @@ export class PermissionFlagService {
         PermissionsExceptionMessage.ROLE_NOT_EDITABLE,
         PermissionsExceptionCode.ROLE_NOT_EDITABLE,
         {
-          userFriendlyMessage:
-            'This role cannot be modified because it is a system role. Only custom roles can be edited.',
+          userFriendlyMessage: msg`This role cannot be modified because it is a system role. Only custom roles can be edited.`,
         },
       );
     }

packages/twenty-server/src/engine/metadata-modules/permissions/permissions.service.ts

@@ -1,6 +1,7 @@
 import { Injectable } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
 
+import { msg } from '@lingui/core/macro';
 import { isDefined } from 'twenty-shared/utils';
 import { Repository } from 'typeorm';
 
@@ -50,8 +51,7 @@ export class PermissionsService {
         PermissionsExceptionMessage.NO_ROLE_FOUND_FOR_USER_WORKSPACE,
         PermissionsExceptionCode.NO_ROLE_FOUND_FOR_USER_WORKSPACE,
         {
-          userFriendlyMessage:
-            'Your role in this workspace could not be found. Please contact your workspace administrator.',
+          userFriendlyMessage: msg`Your role in this workspace could not be found. Please contact your workspace administrator.`,
         },
       );
     }
@@ -135,8 +135,7 @@ export class PermissionsService {
           PermissionsExceptionMessage.API_KEY_ROLE_NOT_FOUND,
           PermissionsExceptionCode.API_KEY_ROLE_NOT_FOUND,
           {
-            userFriendlyMessage:
-              'The API key does not have a valid role assigned. Please check your API key configuration.',
+            userFriendlyMessage: msg`The API key does not have a valid role assigned. Please check your API key configuration.`,
           },
         );
       }
@@ -157,8 +156,7 @@ export class PermissionsService {
           PermissionsExceptionMessage.NO_ROLE_FOUND_FOR_USER_WORKSPACE,
           PermissionsExceptionCode.NO_ROLE_FOUND_FOR_USER_WORKSPACE,
           {
-            userFriendlyMessage:
-              'Your role in this workspace could not be found. Please contact your workspace administrator.',
+            userFriendlyMessage: msg`Your role in this workspace could not be found. Please contact your workspace administrator.`,
           },
         );
       }
@@ -170,8 +168,7 @@ export class PermissionsService {
       PermissionsExceptionMessage.NO_AUTHENTICATION_CONTEXT,
       PermissionsExceptionCode.NO_AUTHENTICATION_CONTEXT,
       {
-        userFriendlyMessage:
-          'Authentication is required to access this feature. Please sign in and try again.',
+        userFriendlyMessage: msg`Authentication is required to access this feature. Please sign in and try again.`,
       },
     );
   }

packages/twenty-server/src/engine/metadata-modules/permissions/utils/permission-graphql-api-exception-handler.util.ts

@@ -1,3 +1,4 @@
+import { msg } from '@lingui/core/macro';
 import { assertUnreachable } from 'twenty-shared/utils';
 
 import {
@@ -16,12 +17,12 @@ export const permissionGraphqlApiExceptionHandler = (
   switch (error.code) {
     case PermissionsExceptionCode.PERMISSION_DENIED:
       throw new ForbiddenError(error.message, {
-        userFriendlyMessage: 'User does not have permission.',
+        userFriendlyMessage: msg`User does not have permission.`,
         subCode: error.code,
       });
     case PermissionsExceptionCode.NO_AUTHENTICATION_CONTEXT:
       throw new ForbiddenError(error.message, {
-        userFriendlyMessage: 'No valid authentication context found.',
+        userFriendlyMessage: msg`No valid authentication context found.`,
         subCode: error.code,
       });
     case PermissionsExceptionCode.ROLE_LABEL_ALREADY_EXISTS:

packages/twenty-server/src/engine/metadata-modules/role/role.resolver.ts

@@ -8,6 +8,8 @@ import {
   Resolver,
 } from '@nestjs/graphql';
 
+import { msg } from '@lingui/core/macro';
+
 import { UUIDScalarType } from 'src/engine/api/graphql/workspace-schema-builder/graphql-types/scalars';
 import { ApiKeyRoleService } from 'src/engine/core-modules/api-key/api-key-role.service';
 import { FeatureFlagKey } from 'src/engine/core-modules/feature-flag/enums/feature-flag-key.enum';
@@ -92,8 +94,7 @@ export class RoleResolver {
         PermissionsExceptionMessage.CANNOT_UPDATE_SELF_ROLE,
         PermissionsExceptionCode.CANNOT_UPDATE_SELF_ROLE,
         {
-          userFriendlyMessage:
-            'You cannot change your own role. Please ask another administrator to update your role.',
+          userFriendlyMessage: msg`You cannot change your own role. Please ask another administrator to update your role.`,
         },
       );
     }

packages/twenty-server/src/engine/metadata-modules/role/role.service.ts

@@ -1,6 +1,6 @@
 import { InjectRepository } from '@nestjs/typeorm';
 
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { isDefined } from 'twenty-shared/utils';
 import { Repository } from 'typeorm';
 
@@ -122,8 +122,7 @@ export class RoleService {
         PermissionsExceptionMessage.ROLE_NOT_FOUND,
         PermissionsExceptionCode.ROLE_NOT_FOUND,
         {
-          userFriendlyMessage:
-            'The role you are looking for could not be found. It may have been deleted or you may not have access to it.',
+          userFriendlyMessage: msg`The role you are looking for could not be found. It may have been deleted or you may not have access to it.`,
         },
       );
     }
@@ -169,8 +168,7 @@ export class RoleService {
         PermissionsExceptionMessage.DEFAULT_ROLE_NOT_FOUND,
         PermissionsExceptionCode.DEFAULT_ROLE_NOT_FOUND,
         {
-          userFriendlyMessage:
-            'The default role for this workspace could not be found. Please contact support for assistance.',
+          userFriendlyMessage: msg`The default role for this workspace could not be found. Please contact support for assistance.`,
         },
       );
     }
@@ -277,8 +275,7 @@ export class RoleService {
           error.message,
           PermissionsExceptionCode.INVALID_ARG,
           {
-            userFriendlyMessage:
-              'Some of the information provided is invalid. Please check your input and try again.',
+            userFriendlyMessage: msg`Some of the information provided is invalid. Please check your input and try again.`,
           },
         );
       }
@@ -299,7 +296,7 @@ export class RoleService {
         throw new PermissionsException(
           PermissionsExceptionMessage.ROLE_LABEL_ALREADY_EXISTS,
           PermissionsExceptionCode.ROLE_LABEL_ALREADY_EXISTS,
-          { userFriendlyMessage: t`A role with this label already exists.` },
+          { userFriendlyMessage: msg`A role with this label already exists.` },
         );
       }
     }
@@ -344,8 +341,7 @@ export class RoleService {
         PermissionsExceptionMessage.CANNOT_GIVE_WRITING_PERMISSION_WITHOUT_READING_PERMISSION,
         PermissionsExceptionCode.CANNOT_GIVE_WRITING_PERMISSION_WITHOUT_READING_PERMISSION,
         {
-          userFriendlyMessage:
-            'You cannot grant edit permissions without also granting read permissions. Please enable read access first.',
+          userFriendlyMessage: msg`You cannot grant edit permissions without also granting read permissions. Please enable read access first.`,
         },
       );
     }
@@ -403,8 +399,7 @@ export class RoleService {
         PermissionsExceptionMessage.ROLE_NOT_EDITABLE,
         PermissionsExceptionCode.ROLE_NOT_EDITABLE,
         {
-          userFriendlyMessage:
-            'This role cannot be modified because it is a system role. Only custom roles can be edited.',
+          userFriendlyMessage: msg`This role cannot be modified because it is a system role. Only custom roles can be edited.`,
         },
       );
     }
@@ -422,8 +417,7 @@ export class RoleService {
         PermissionsExceptionMessage.DEFAULT_ROLE_CANNOT_BE_DELETED,
         PermissionsExceptionCode.DEFAULT_ROLE_CANNOT_BE_DELETED,
         {
-          userFriendlyMessage:
-            'The default role cannot be deleted as it is required for the workspace to function properly.',
+          userFriendlyMessage: msg`The default role cannot be deleted as it is required for the workspace to function properly.`,
         },
       );
     }

packages/twenty-server/src/engine/metadata-modules/user-role/user-role.service.ts

@@ -1,5 +1,6 @@
 import { InjectRepository } from '@nestjs/typeorm';
 
+import { msg } from '@lingui/core/macro';
 import { isDefined } from 'twenty-shared/utils';
 import { In, Not, Repository } from 'typeorm';
 
@@ -196,8 +197,7 @@ export class UserRoleService {
         PermissionsExceptionMessage.NO_ROLE_FOUND_FOR_USER_WORKSPACE,
         PermissionsExceptionCode.NO_ROLE_FOUND_FOR_USER_WORKSPACE,
         {
-          userFriendlyMessage:
-            'Your role in this workspace could not be found. Please contact your workspace administrator.',
+          userFriendlyMessage: msg`Your role in this workspace could not be found. Please contact your workspace administrator.`,
         },
       );
     }
@@ -235,8 +235,7 @@ export class UserRoleService {
         'User workspace not found',
         PermissionsExceptionCode.USER_WORKSPACE_NOT_FOUND,
         {
-          userFriendlyMessage:
-            'Your workspace membership could not be found. You may no longer have access to this workspace.',
+          userFriendlyMessage: msg`Your workspace membership could not be found. You may no longer have access to this workspace.`,
         },
       );
     }
@@ -252,8 +251,7 @@ export class UserRoleService {
         'Role not found',
         PermissionsExceptionCode.ROLE_NOT_FOUND,
         {
-          userFriendlyMessage:
-            'The role you are trying to assign could not be found. It may have been deleted.',
+          userFriendlyMessage: msg`The role you are trying to assign could not be found. It may have been deleted.`,
         },
       );
     }
@@ -263,8 +261,7 @@ export class UserRoleService {
         `Role "${role.label}" cannot be assigned to users`,
         PermissionsExceptionCode.ROLE_CANNOT_BE_ASSIGNED_TO_USERS,
         {
-          userFriendlyMessage:
-            'This role cannot be assigned to users. Please select a different role.',
+          userFriendlyMessage: msg`This role cannot be assigned to users. Please select a different role.`,
         },
       );
     }
@@ -312,8 +309,7 @@ export class UserRoleService {
         PermissionsExceptionMessage.CANNOT_UNASSIGN_LAST_ADMIN,
         PermissionsExceptionCode.CANNOT_UNASSIGN_LAST_ADMIN,
         {
-          userFriendlyMessage:
-            'You cannot remove the admin role from the last administrator. Please assign another administrator first.',
+          userFriendlyMessage: msg`You cannot remove the admin role from the last administrator. Please assign another administrator first.`,
         },
       );
     }

packages/twenty-server/src/engine/metadata-modules/utils/compute-metadata-name-from-label.util.ts

@@ -1,4 +1,4 @@
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import camelCase from 'lodash.camelcase';
 import { slugify } from 'transliteration';
 import { isDefined } from 'twenty-shared/utils';
@@ -14,7 +14,7 @@ export const computeMetadataNameFromLabel = (label: string): string => {
       'Label is required',
       InvalidMetadataExceptionCode.LABEL_REQUIRED,
       {
-        userFriendlyMessage: t`Label is required`,
+        userFriendlyMessage: msg`Label is required`,
       },
     );
   }
@@ -36,7 +36,7 @@ export const computeMetadataNameFromLabel = (label: string): string => {
       `Invalid label: "${label}"`,
       InvalidMetadataExceptionCode.INVALID_LABEL,
       {
-        userFriendlyMessage: t`Invalid label: "${label}"`,
+        userFriendlyMessage: msg`Invalid label: "${label}"`,
       },
     );
   }

packages/twenty-server/src/engine/metadata-modules/utils/validate-field-name-availability.utils.ts

@@ -1,4 +1,4 @@
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { FieldMetadataType } from 'twenty-shared/types';
 
 import { compositeTypeDefinitions } from 'src/engine/metadata-modules/field-metadata/composite-types';
@@ -54,7 +54,7 @@ export const validateFieldNameAvailabilityOrThrow = ({
       `Name "${name}" is not available as it is already used by another field`,
       InvalidMetadataExceptionCode.NOT_AVAILABLE,
       {
-        userFriendlyMessage: t`This name is not available as it is already used by another field.`,
+        userFriendlyMessage: msg`This name is not available as it is already used by another field.`,
       },
     );
   }
@@ -64,7 +64,7 @@ export const validateFieldNameAvailabilityOrThrow = ({
       `Name "${name}" is not available`,
       InvalidMetadataExceptionCode.RESERVED_KEYWORD,
       {
-        userFriendlyMessage: t`This name is not available.`,
+        userFriendlyMessage: msg`This name is not available.`,
       },
     );
   }

packages/twenty-server/src/engine/metadata-modules/utils/validate-metadata-name-is-not-reserved-keyword.ts

@@ -1,4 +1,4 @@
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 
 import {
   InvalidMetadataException,
@@ -74,7 +74,7 @@ export const validateMetadataNameIsNotReservedKeywordOrThrow = (
       `The name "${name}" is not available`,
       InvalidMetadataExceptionCode.RESERVED_KEYWORD,
       {
-        userFriendlyMessage: t`This name is not available.`,
+        userFriendlyMessage: msg`This name is not available.`,
       },
     );
   }

packages/twenty-server/src/engine/metadata-modules/utils/validate-no-other-object-with-same-name-exists-or-throw.util.ts

@@ -1,4 +1,4 @@
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { isDefined } from 'twenty-shared/utils';
 
 import { type FlatEntityMaps } from 'src/engine/core-modules/common/types/flat-entity-maps.type';
@@ -43,7 +43,7 @@ export const validatesNoOtherObjectWithSameNameExistsOrThrows = (
       'Object already exists',
       ObjectMetadataExceptionCode.OBJECT_ALREADY_EXISTS,
       {
-        userFriendlyMessage: t`Object already exists`,
+        userFriendlyMessage: msg`Object already exists`,
       },
     );
   }

packages/twenty-server/src/engine/metadata-modules/view-field/exceptions/view-field.exception.ts

@@ -1,4 +1,5 @@
-import { t } from '@lingui/core/macro';
+import { type MessageDescriptor } from '@lingui/core';
+import { msg } from '@lingui/core/macro';
 import { assertUnreachable } from 'twenty-shared/utils';
 
 import { CustomException } from 'src/utils/custom-exception';
@@ -8,7 +9,7 @@ export class ViewFieldException extends CustomException {
   constructor(
     message: string,
     code: ViewFieldExceptionCode,
-    { userFriendlyMessage }: { userFriendlyMessage?: string } = {},
+    { userFriendlyMessage }: { userFriendlyMessage?: MessageDescriptor } = {},
   ) {
     super(message, code, { userFriendlyMessage });
   }
@@ -52,15 +53,15 @@ export const generateViewFieldExceptionMessage = (
 
 export const generateViewFieldUserFriendlyExceptionMessage = (
   key: ViewFieldExceptionMessageKey,
-) => {
+): MessageDescriptor | undefined => {
   switch (key) {
     case ViewFieldExceptionMessageKey.WORKSPACE_ID_REQUIRED:
-      return t`WorkspaceId is required to create a view field.`;
+      return msg`WorkspaceId is required to create a view field.`;
     case ViewFieldExceptionMessageKey.VIEW_ID_REQUIRED:
-      return t`ViewId is required to create a view field.`;
+      return msg`ViewId is required to create a view field.`;
     case ViewFieldExceptionMessageKey.FIELD_METADATA_ID_REQUIRED:
-      return t`FieldMetadataId is required to create a view field.`;
+      return msg`FieldMetadataId is required to create a view field.`;
     case ViewFieldExceptionMessageKey.VIEW_FIELD_ALREADY_EXISTS:
-      return t`View field already exists.`;
+      return msg`View field already exists.`;
   }
 };

packages/twenty-server/src/engine/metadata-modules/view-field/services/view-field.service.ts

@@ -1,6 +1,7 @@
 import { Injectable } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
 
+import { msg } from '@lingui/core/macro';
 import { isDefined } from 'twenty-shared/utils';
 import { IsNull, Repository } from 'typeorm';
 
@@ -319,7 +320,7 @@ export class ViewFieldService {
 
     if (newOrUpdatedViewField.isVisible === false) {
       throw new UserInputError('Label metadata identifier must stay visible.', {
-        userFriendlyMessage: 'Record text must stay visible.',
+        userFriendlyMessage: msg`Record text must stay visible.`,
       });
     }
   }
@@ -370,8 +371,7 @@ export class ViewFieldService {
         throw new UserInputError(
           'Label metadata identifier must keep the minimal position in the view.',
           {
-            userFriendlyMessage:
-              'Record text must be in first position of the view.',
+            userFriendlyMessage: msg`Record text must be in first position of the view.`,
           },
         );
       }
@@ -389,8 +389,7 @@ export class ViewFieldService {
         throw new UserInputError(
           'Label metadata identifier must keep the minimal position in the view.',
           {
-            userFriendlyMessage:
-              'Record text must be in first position of the view.',
+            userFriendlyMessage: msg`Record text must be in first position of the view.`,
           },
         );
       }

packages/twenty-server/src/engine/metadata-modules/view-filter-group/exceptions/view-filter-group.exception.ts

@@ -1,4 +1,5 @@
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
+import { type MessageDescriptor } from '@lingui/core';
 import { assertUnreachable } from 'twenty-shared/utils';
 
 import { CustomException } from 'src/utils/custom-exception';
@@ -8,7 +9,7 @@ export class ViewFilterGroupException extends CustomException {
   constructor(
     message: string,
     code: ViewFilterGroupExceptionCode,
-    { userFriendlyMessage }: { userFriendlyMessage?: string } = {},
+    { userFriendlyMessage }: { userFriendlyMessage?: MessageDescriptor } = {},
   ) {
     super(message, code, { userFriendlyMessage });
   }
@@ -49,13 +50,13 @@ export const generateViewFilterGroupExceptionMessage = (
 
 export const generateViewFilterGroupUserFriendlyExceptionMessage = (
   key: ViewFilterGroupExceptionMessageKey,
-) => {
+): MessageDescriptor | undefined => {
   switch (key) {
     case ViewFilterGroupExceptionMessageKey.WORKSPACE_ID_REQUIRED:
-      return t`WorkspaceId is required to create a view filter group.`;
+      return msg`WorkspaceId is required to create a view filter group.`;
     case ViewFilterGroupExceptionMessageKey.VIEW_ID_REQUIRED:
-      return t`ViewId is required to create a view filter group.`;
+      return msg`ViewId is required to create a view filter group.`;
     case ViewFilterGroupExceptionMessageKey.FIELD_METADATA_ID_REQUIRED:
-      return t`FieldMetadataId is required to create a view filter group.`;
+      return msg`FieldMetadataId is required to create a view filter group.`;
   }
 };

packages/twenty-server/src/engine/metadata-modules/view-filter/exceptions/view-filter.exception.ts

@@ -1,4 +1,5 @@
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
+import { type MessageDescriptor } from '@lingui/core';
 import { assertUnreachable } from 'twenty-shared/utils';
 
 import { CustomException } from 'src/utils/custom-exception';
@@ -8,7 +9,7 @@ export class ViewFilterException extends CustomException {
   constructor(
     message: string,
     code: ViewFilterExceptionCode,
-    { userFriendlyMessage }: { userFriendlyMessage?: string } = {},
+    { userFriendlyMessage }: { userFriendlyMessage?: MessageDescriptor } = {},
   ) {
     super(message, code, { userFriendlyMessage });
   }
@@ -49,13 +50,13 @@ export const generateViewFilterExceptionMessage = (
 
 export const generateViewFilterUserFriendlyExceptionMessage = (
   key: ViewFilterExceptionMessageKey,
-) => {
+): MessageDescriptor | undefined => {
   switch (key) {
     case ViewFilterExceptionMessageKey.WORKSPACE_ID_REQUIRED:
-      return t`WorkspaceId is required to create a view filter.`;
+      return msg`WorkspaceId is required to create a view filter.`;
     case ViewFilterExceptionMessageKey.VIEW_ID_REQUIRED:
-      return t`ViewId is required to create a view filter.`;
+      return msg`ViewId is required to create a view filter.`;
     case ViewFilterExceptionMessageKey.FIELD_METADATA_ID_REQUIRED:
-      return t`FieldMetadataId is required to create a view filter.`;
+      return msg`FieldMetadataId is required to create a view filter.`;
   }
 };

packages/twenty-server/src/engine/metadata-modules/view-group/exceptions/view-group.exception.ts

@@ -1,4 +1,5 @@
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
+import { type MessageDescriptor } from '@lingui/core';
 import { assertUnreachable } from 'twenty-shared/utils';
 
 import { CustomException } from 'src/utils/custom-exception';
@@ -8,7 +9,7 @@ export class ViewGroupException extends CustomException {
   constructor(
     message: string,
     code: ViewGroupExceptionCode,
-    { userFriendlyMessage }: { userFriendlyMessage?: string } = {},
+    { userFriendlyMessage }: { userFriendlyMessage?: MessageDescriptor } = {},
   ) {
     super(message, code, { userFriendlyMessage });
   }
@@ -49,13 +50,13 @@ export const generateViewGroupExceptionMessage = (
 
 export const generateViewGroupUserFriendlyExceptionMessage = (
   key: ViewGroupExceptionMessageKey,
-) => {
+): MessageDescriptor | undefined => {
   switch (key) {
     case ViewGroupExceptionMessageKey.WORKSPACE_ID_REQUIRED:
-      return t`WorkspaceId is required to create a view group.`;
+      return msg`WorkspaceId is required to create a view group.`;
     case ViewGroupExceptionMessageKey.VIEW_ID_REQUIRED:
-      return t`ViewId is required to create a view group.`;
+      return msg`ViewId is required to create a view group.`;
     case ViewGroupExceptionMessageKey.FIELD_METADATA_ID_REQUIRED:
-      return t`FieldMetadataId is required to create a view group.`;
+      return msg`FieldMetadataId is required to create a view group.`;
   }
 };

packages/twenty-server/src/engine/metadata-modules/view-sort/exceptions/view-sort.exception.ts

@@ -1,4 +1,5 @@
-import { t } from '@lingui/core/macro';
+import { msg, t } from '@lingui/core/macro';
+import { type MessageDescriptor } from '@lingui/core';
 import { assertUnreachable } from 'twenty-shared/utils';
 
 import { CustomException } from 'src/utils/custom-exception';
@@ -8,7 +9,7 @@ export class ViewSortException extends CustomException {
   constructor(
     message: string,
     code: ViewSortExceptionCode,
-    { userFriendlyMessage }: { userFriendlyMessage?: string } = {},
+    { userFriendlyMessage }: { userFriendlyMessage?: MessageDescriptor } = {},
   ) {
     super(message, code, { userFriendlyMessage });
   }
@@ -62,13 +63,13 @@ export const generateViewSortExceptionMessage = (
 
 export const generateViewSortUserFriendlyExceptionMessage = (
   key: ViewSortExceptionMessageKey,
-) => {
+): MessageDescriptor | undefined => {
   switch (key) {
     case ViewSortExceptionMessageKey.WORKSPACE_ID_REQUIRED:
-      return t`WorkspaceId is required to create a view sort.`;
+      return msg`WorkspaceId is required to create a view sort.`;
     case ViewSortExceptionMessageKey.VIEW_ID_REQUIRED:
-      return t`ViewId is required to create a view sort.`;
+      return msg`ViewId is required to create a view sort.`;
     case ViewSortExceptionMessageKey.FIELD_METADATA_ID_REQUIRED:
-      return t`FieldMetadataId is required to create a view sort.`;
+      return msg`FieldMetadataId is required to create a view sort.`;
   }
 };

packages/twenty-server/src/engine/metadata-modules/view/exceptions/view.exception.ts

@@ -1,4 +1,5 @@
-import { t } from '@lingui/core/macro';
+import { type MessageDescriptor } from '@lingui/core';
+import { msg } from '@lingui/core/macro';
 import { assertUnreachable } from 'twenty-shared/utils';
 
 import { CustomException } from 'src/utils/custom-exception';
@@ -8,7 +9,7 @@ export class ViewException extends CustomException {
   constructor(
     message: string,
     code: ViewExceptionCode,
-    { userFriendlyMessage }: { userFriendlyMessage?: string } = {},
+    { userFriendlyMessage }: { userFriendlyMessage?: MessageDescriptor } = {},
   ) {
     super(message, code, { userFriendlyMessage });
   }
@@ -46,11 +47,11 @@ export const generateViewExceptionMessage = (
 
 export const generateViewUserFriendlyExceptionMessage = (
   key: ViewExceptionMessageKey,
-) => {
+): MessageDescriptor | undefined => {
   switch (key) {
     case ViewExceptionMessageKey.WORKSPACE_ID_REQUIRED:
-      return t`WorkspaceId is required to create a view.`;
+      return msg`WorkspaceId is required to create a view.`;
     case ViewExceptionMessageKey.OBJECT_METADATA_ID_REQUIRED:
-      return t`ObjectMetadataId is required to create a view.`;
+      return msg`ObjectMetadataId is required to create a view.`;
   }
 };

packages/twenty-server/src/engine/metadata-modules/view/utils/view-graphql-api-exception-handler.util.ts

@@ -1,3 +1,4 @@
+import { type I18n } from '@lingui/core';
 import { assertUnreachable } from 'twenty-shared/utils';
 
 import {
@@ -31,9 +32,9 @@ import {
 import { WorkspaceMigrationBuilderExceptionV2 } from 'src/engine/workspace-manager/workspace-migration-v2/exceptions/workspace-migration-builder-exception-v2';
 import { workspaceMigrationBuilderExceptionV2Formatter } from 'src/engine/workspace-manager/workspace-migration-v2/interceptors/workspace-migration-builder-exception-v2-formatter';
 
-export const viewGraphqlApiExceptionHandler = (error: Error) => {
+export const viewGraphqlApiExceptionHandler = (error: Error, i18n: I18n) => {
   if (error instanceof WorkspaceMigrationBuilderExceptionV2) {
-    return workspaceMigrationBuilderExceptionV2Formatter(error);
+    return workspaceMigrationBuilderExceptionV2Formatter(error, i18n);
   }
 
   if (error instanceof ViewException) {

packages/twenty-server/src/engine/metadata-modules/view/utils/view-graphql-api-exception.filter.ts

@@ -1,5 +1,14 @@
-import { Catch, type ExceptionFilter } from '@nestjs/common';
+import {
+  Catch,
+  type ExecutionContext,
+  type ExceptionFilter,
+  Injectable,
+} from '@nestjs/common';
+import { GqlExecutionContext } from '@nestjs/graphql';
 
+import { SOURCE_LOCALE } from 'twenty-shared/translations';
+
+import { I18nService } from 'src/engine/core-modules/i18n/i18n.service';
 import { ViewFieldException } from 'src/engine/metadata-modules/view-field/exceptions/view-field.exception';
 import { ViewFilterGroupException } from 'src/engine/metadata-modules/view-filter-group/exceptions/view-filter-group.exception';
 import { ViewFilterException } from 'src/engine/metadata-modules/view-filter/exceptions/view-filter.exception';
@@ -18,7 +27,10 @@ import { WorkspaceMigrationBuilderExceptionV2 } from 'src/engine/workspace-manag
   ViewSortException,
   WorkspaceMigrationBuilderExceptionV2,
 )
+@Injectable()
 export class ViewGraphqlApiExceptionFilter implements ExceptionFilter {
+  constructor(private readonly i18nService: I18nService) {}
+
   catch(
     exception:
       | ViewException
@@ -28,7 +40,13 @@ export class ViewGraphqlApiExceptionFilter implements ExceptionFilter {
       | ViewGroupException
       | ViewSortException
       | WorkspaceMigrationBuilderExceptionV2,
+    host: ExecutionContext,
   ) {
-    return viewGraphqlApiExceptionHandler(exception);
+    const gqlContext = GqlExecutionContext.create(host);
+    const ctx = gqlContext.getContext();
+    const userLocale = ctx.req?.locale ?? SOURCE_LOCALE;
+    const i18n = this.i18nService.getI18nInstance(userLocale);
+
+    return viewGraphqlApiExceptionHandler(exception, i18n);
   }
 }

packages/twenty-server/src/engine/twenty-orm/error-handling/compute-twenty-orm-exception.ts

@@ -1,4 +1,4 @@
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { isDefined } from 'twenty-shared/utils';
 import { QueryFailedError } from 'typeorm';
 
@@ -25,7 +25,7 @@ export const computeTwentyORMException = (
         'Query read timeout',
         TwentyORMExceptionCode.QUERY_READ_TIMEOUT,
         {
-          userFriendlyMessage: t`We are experiencing a temporary issue with our database. Please try again later.`,
+          userFriendlyMessage: msg`We are experiencing a temporary issue with our database. Please try again later.`,
         },
       );
     }

packages/twenty-server/src/engine/twenty-orm/relation-nested-queries/utils/__tests__/formatConnectRecordNotFoundErrorMessage.util.spec.ts

@@ -14,8 +14,15 @@ describe('formatConnectRecordNotFoundErrorMessage', () => {
     expect(result).toEqual({
       errorMessage:
         'Expected 1 record to connect to connectFieldName, but found 0 for field1 = value1 and field2 = value2',
-      userFriendlyMessage:
-        "Can't connect to connectFieldName. No unique record found with condition: field1 = value1 and field2 = value2",
+      userFriendlyMessage: expect.objectContaining({
+        id: expect.any(String),
+        message:
+          "Can't connect to {connectFieldName}. No unique record found with condition: {formattedConnectCondition}",
+        values: {
+          connectFieldName: 'connectFieldName',
+          formattedConnectCondition: 'field1 = value1 and field2 = value2',
+        },
+      }),
     });
   });
 });

packages/twenty-server/src/engine/twenty-orm/relation-nested-queries/utils/formatConnectRecordNotFoundErrorMessage.util.ts

@@ -1,4 +1,4 @@
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 
 import { type UniqueConstraintCondition } from 'src/engine/twenty-orm/entity-manager/types/relation-connect-query-config.type';
 
@@ -13,6 +13,6 @@ export const formatConnectRecordNotFoundErrorMessage = (
 
   return {
     errorMessage: `Expected 1 record to connect to ${connectFieldName}, but found ${recordToConnectTotal} for ${formattedConnectCondition}`,
-    userFriendlyMessage: t`Can't connect to ${connectFieldName}. No unique record found with condition: ${formattedConnectCondition}`,
+    userFriendlyMessage: msg`Can't connect to ${connectFieldName}. No unique record found with condition: ${formattedConnectCondition}`,
   };
 };

packages/twenty-server/src/engine/twenty-orm/utils/compute-relation-connect-query-configs.util.ts

@@ -1,4 +1,4 @@
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import deepEqual from 'deep-equal';
 import { FieldMetadataType } from 'twenty-shared/types';
 import { getUniqueConstraintsFields, isDefined } from 'twenty-shared/utils';
@@ -142,7 +142,7 @@ const computeRecordToConnectCondition = (
       `Connect is not allowed for ${connectFieldName} on ${objectMetadata.nameSingular}`,
       TwentyORMExceptionCode.CONNECT_NOT_ALLOWED,
       {
-        userFriendlyMessage: t`Connect is not allowed for ${connectFieldName} on ${objectMetadataNameSingular}`,
+        userFriendlyMessage: msg`Connect is not allowed for ${connectFieldName} on ${objectMetadataNameSingular}`,
       },
     );
   }
@@ -156,7 +156,7 @@ const computeRecordToConnectCondition = (
       `Target object metadata not found for ${connectFieldName}`,
       TwentyORMExceptionCode.MALFORMED_METADATA,
       {
-        userFriendlyMessage: t`Target object metadata not found for ${connectFieldName}`,
+        userFriendlyMessage: msg`Target object metadata not found for ${connectFieldName}`,
       },
     );
   }
@@ -202,7 +202,7 @@ const checkUniqueConstraintFullyPopulated = (
       `Missing required fields: at least one unique constraint have to be fully populated for '${connectFieldName}'.`,
       TwentyORMExceptionCode.CONNECT_UNIQUE_CONSTRAINT_ERROR,
       {
-        userFriendlyMessage: t`Missing required fields: at least one unique constraint have to be fully populated for '${connectFieldName}'.`,
+        userFriendlyMessage: msg`Missing required fields: at least one unique constraint have to be fully populated for '${connectFieldName}'.`,
       },
     );
   }
@@ -235,7 +235,7 @@ const checkNoRelationFieldConflictOrThrow = (
       `${fieldName} and ${fieldName}Id cannot be both provided.`,
       TwentyORMExceptionCode.CONNECT_NOT_ALLOWED,
       {
-        userFriendlyMessage: t`${fieldName} and ${fieldName}Id cannot be both provided.`,
+        userFriendlyMessage: msg`${fieldName} and ${fieldName}Id cannot be both provided.`,
       },
     );
   }
@@ -284,7 +284,7 @@ const checkUniqueConstraintsAreSameOrThrow = (
       `Expected the same constraint fields to be used consistently across all operations for ${relationConnectQueryConfig.connectFieldName}.`,
       TwentyORMExceptionCode.CONNECT_UNIQUE_CONSTRAINT_ERROR,
       {
-        userFriendlyMessage: t`Expected the same constraint fields to be used consistently across all operations for ${connectFieldName}.`,
+        userFriendlyMessage: msg`Expected the same constraint fields to be used consistently across all operations for ${connectFieldName}.`,
       },
     );
   }

packages/twenty-server/src/engine/workspace-datasource/workspace-datasource.service.ts

@@ -1,6 +1,7 @@
 import { Injectable } from '@nestjs/common';
 import { InjectDataSource } from '@nestjs/typeorm';
 
+import { msg } from '@lingui/core/macro';
 import { type DataSource, type EntityManager } from 'typeorm';
 
 import { DataSourceService } from 'src/engine/metadata-modules/data-source/data-source.service';
@@ -75,8 +76,7 @@ export class WorkspaceDataSourceService {
       'Method not allowed as permissions are not handled at datasource level.',
       PermissionsExceptionCode.METHOD_NOT_ALLOWED,
       {
-        userFriendlyMessage:
-          'This operation is not allowed. Please try a different approach or contact support if you need assistance.',
+        userFriendlyMessage: msg`This operation is not allowed. Please try a different approach or contact support if you need assistance.`,
       },
     );
   }

packages/twenty-server/src/engine/workspace-manager/workspace-migration-runner/workspace-migration-runner.service.ts

@@ -1,7 +1,7 @@
 import { Injectable, Logger } from '@nestjs/common';
 import { InjectDataSource } from '@nestjs/typeorm';
 
-import { t } from '@lingui/core/macro';
+import { msg } from '@lingui/core/macro';
 import { isDefined } from 'twenty-shared/utils';
 import { DataSource, type QueryRunner, Table, type TableColumn } from 'typeorm';
 
@@ -257,7 +257,7 @@ export class WorkspaceMigrationRunnerService {
           `Unique index creation failed because of unique constraint violation`,
           IndexMetadataExceptionCode.INDEX_CREATION_FAILED,
           {
-            userFriendlyMessage: t`Cannot enable uniqueness due to existing duplicate values. Please review and fix your data first (including soft deleted records).`,
+            userFriendlyMessage: msg`Cannot enable uniqueness due to existing duplicate values. Please review and fix your data first (including soft deleted records).`,
           },
         );
       }

packages/twenty-server/src/engine/workspace-manager/workspace-migration-v2/interceptors/types/validate-error-response.type.ts

@@ -1,21 +1,20 @@
 import { type AllFlatEntitiesByMetadataEngineName } from 'src/engine/core-modules/common/types/all-flat-entities-by-metadata-engine-name.type';
 import { type FieldMetadataMinimalInformation } from 'src/engine/metadata-modules/flat-field-metadata/types/field-metadata-minimal-information.type';
-import { type FlatFieldMetadataValidationError } from 'src/engine/metadata-modules/flat-field-metadata/types/flat-field-metadata-validation-error.type';
-import { type FlatObjectMetadataValidationError } from 'src/engine/metadata-modules/flat-object-metadata/types/flat-object-metadata-validation-error.type';
 import { type ObjectMetadataMinimalInformation } from 'src/engine/metadata-modules/flat-object-metadata/types/object-metadata-minimal-information.type';
 import { type OrchestratorFailureReport } from 'src/engine/workspace-manager/workspace-migration-v2/types/workspace-migration-orchestrator.type';
+import { type TranslatedFlatEntityValidationError } from 'src/engine/workspace-manager/workspace-migration-v2/interceptors/utils/translate-validation-errors.util';
 import { type WorkspaceMigrationFieldActionTypeV2 } from 'src/engine/workspace-manager/workspace-migration-v2/workspace-migration-builder-v2/types/workspace-migration-field-action-v2';
 import { type WorkspaceMigrationObjectActionTypeV2 } from 'src/engine/workspace-manager/workspace-migration-v2/workspace-migration-builder-v2/types/workspace-migration-object-action-v2';
 
 export type ValidationErrorFieldResponse =
   Partial<FieldMetadataMinimalInformation> & {
     operation: WorkspaceMigrationFieldActionTypeV2;
-    errors: FlatFieldMetadataValidationError[];
+    errors: TranslatedFlatEntityValidationError[];
   };
 export type ValidationErrorObjectResponse =
   Partial<ObjectMetadataMinimalInformation> & {
     operation: WorkspaceMigrationObjectActionTypeV2;
-    errors: FlatObjectMetadataValidationError[];
+    errors: TranslatedFlatEntityValidationError[];
     fields: ValidationErrorFieldResponse[];
   };
 

packages/twenty-server/src/engine/workspace-manager/workspace-migration-v2/interceptors/utils/from-workspace-migration-builder-exception-to-validation-response-error.util.ts

@@ -1,8 +1,12 @@
+import { type I18n } from '@lingui/core';
+
 import { type WorkspaceMigrationBuilderExceptionV2 } from 'src/engine/workspace-manager/workspace-migration-v2/exceptions/workspace-migration-builder-exception-v2';
 import { type ValidationErrorResponse } from 'src/engine/workspace-manager/workspace-migration-v2/interceptors/types/validate-error-response.type';
+import { translateOrchestratorFailureReport } from 'src/engine/workspace-manager/workspace-migration-v2/interceptors/utils/translate-validation-errors.util';
 
 export const fromWorkspaceMigrationBuilderExceptionToValidationResponseError = (
   workspaceMigrationBuilderException: WorkspaceMigrationBuilderExceptionV2,
+  i18n: I18n,
 ): ValidationErrorResponse => {
   const emptyResponseError: ValidationErrorResponse = {
     summary: {
@@ -30,10 +34,15 @@ export const fromWorkspaceMigrationBuilderExceptionToValidationResponseError = (
     },
   };
 
+  const report =
+    workspaceMigrationBuilderException.failedWorkspaceMigrationBuildResult
+      .report;
+
+  // Translate all MessageDescriptors in the report structure
+  const translatedReport = translateOrchestratorFailureReport(report, i18n);
+
   return {
     ...emptyResponseError,
-    errors:
-      workspaceMigrationBuilderException.failedWorkspaceMigrationBuildResult
-        .report,
+    errors: translatedReport,
   };
 };

packages/twenty-server/src/engine/workspace-manager/workspace-migration-v2/interceptors/utils/translate-validation-errors.util.ts

@@ -0,0 +1,48 @@
+import { type I18n, type MessageDescriptor } from '@lingui/core';
+
+import { type OrchestratorFailureReport } from 'src/engine/workspace-manager/workspace-migration-v2/types/workspace-migration-orchestrator.type';
+
+export type TranslatedFlatEntityValidationError<TCode extends string = string> =
+  {
+    code: TCode;
+    message: string;
+    userFriendlyMessage?: string;
+    value?: unknown;
+  };
+
+const translateMessageDescriptorsInObject = <T>(obj: T, i18n: I18n): T => {
+  if (!obj || typeof obj !== 'object') {
+    return obj;
+  }
+
+  if (
+    typeof obj === 'object' &&
+    'id' in obj &&
+    'message' in obj &&
+    typeof (obj as MessageDescriptor).id === 'string'
+  ) {
+    return i18n._(obj as MessageDescriptor) as T;
+  }
+
+  if (Array.isArray(obj)) {
+    return obj.map((item) =>
+      translateMessageDescriptorsInObject(item, i18n),
+    ) as T;
+  }
+
+  const result = {} as T;
+
+  for (const [key, value] of Object.entries(obj)) {
+    (result as Record<string, unknown>)[key] =
+      translateMessageDescriptorsInObject(value, i18n);
+  }
+
+  return result;
+};
+
+export const translateOrchestratorFailureReport = (
+  report: OrchestratorFailureReport,
+  i18n: I18n,
+): OrchestratorFailureReport => {
+  return translateMessageDescriptorsInObject(report, i18n);
+};

packages/twenty-server/src/engine/workspace-manager/workspace-migration-v2/interceptors/workspace-migration-builder-exception-v2-formatter.ts

@@ -1,4 +1,5 @@
-import { t } from '@lingui/core/macro';
+import { type I18n } from '@lingui/core';
+import { msg } from '@lingui/core/macro';
 
 import {
   BaseGraphQLError,
@@ -9,15 +10,19 @@ import { fromWorkspaceMigrationBuilderExceptionToValidationResponseError } from
 
 export const workspaceMigrationBuilderExceptionV2Formatter = (
   error: WorkspaceMigrationBuilderExceptionV2,
+  i18n: I18n,
 ) => {
   const { errors, summary } =
-    fromWorkspaceMigrationBuilderExceptionToValidationResponseError(error);
+    fromWorkspaceMigrationBuilderExceptionToValidationResponseError(
+      error,
+      i18n,
+    );
 
   throw new BaseGraphQLError(error.message, ErrorCode.BAD_USER_INPUT, {
     code: 'METADATA_VALIDATION_ERROR',
     errors,
     summary,
     message: `Validation failed for 0 object(s) and 0 field(s)`,
-    userFriendlyMessage: t`Validation failed for 0 object(s) and 0 field(s)`,
+    userFriendlyMessage: msg`Validation failed for 0 object(s) and 0 field(s)`,
   });
 };

packages/twenty-server/src/engine/workspace-manager/workspace-migration-v2/workspace-migration-builder-v2/builders/types/failed-flat-entity-validation.type.ts

@@ -1,10 +1,12 @@
+import { type MessageDescriptor } from '@lingui/core';
+
 import { type FlatEntity } from 'src/engine/core-modules/common/types/flat-entity.type';
 import { type WorkspaceMigrationActionTypeV2 } from 'src/engine/workspace-manager/workspace-migration-v2/workspace-migration-builder-v2/types/workspace-migration-action-common-v2';
 
 export type FlatEntityValidationError<TCode extends string = string> = {
   code: TCode; // should be a better extends
   message: string;
-  userFriendlyMessage?: string;
+  userFriendlyMessage?: MessageDescriptor;
   value?: unknown;
 };
 

packages/twenty-server/src/engine/workspace-manager/workspace-migration-v2/workspace-migration-builder-v2/validators/services/flat-cron-trigger-validator.service.ts

@@ -1,6 +1,6 @@
 import { Injectable } from '@nestjs/common';
 
-import { t } from '@lingui/core/macro';
+import { t, msg } from '@lingui/core/macro';
 import { isDefined } from 'twenty-shared/utils';
 
 import { FlatEntityMaps } from 'src/engine/core-modules/common/types/flat-entity-maps.type';
@@ -33,7 +33,7 @@ export class FlatCronTriggerValidatorService {
       errors.push({
         code: CronTriggerExceptionCode.CRON_TRIGGER_NOT_FOUND,
         message: t`Cron trigger not found`,
-        userFriendlyMessage: t`Cron trigger not found`,
+        userFriendlyMessage: msg`Cron trigger not found`,
       });
     }
 
@@ -46,7 +46,7 @@ export class FlatCronTriggerValidatorService {
       errors.push({
         code: CronTriggerExceptionCode.SERVERLESS_FUNCTION_NOT_FOUND,
         message: t`Serverless function not found`,
-        userFriendlyMessage: t`Serverless function not found`,
+        userFriendlyMessage: msg`Serverless function not found`,
       });
     }
 
@@ -72,7 +72,7 @@ export class FlatCronTriggerValidatorService {
       errors.push({
         code: CronTriggerExceptionCode.CRON_TRIGGER_NOT_FOUND,
         message: t`Cron trigger not found`,
-        userFriendlyMessage: t`Cron trigger not found`,
+        userFriendlyMessage: msg`Cron trigger not found`,
       });
     }
 
@@ -102,7 +102,7 @@ export class FlatCronTriggerValidatorService {
       errors.push({
         code: CronTriggerExceptionCode.CRON_TRIGGER_ALREADY_EXIST,
         message: t`Cron trigger with same id already exists`,
-        userFriendlyMessage: t`Cron trigger already exists`,
+        userFriendlyMessage: msg`Cron trigger already exists`,
       });
     }
 
@@ -115,7 +115,7 @@ export class FlatCronTriggerValidatorService {
       errors.push({
         code: CronTriggerExceptionCode.SERVERLESS_FUNCTION_NOT_FOUND,
         message: t`Serverless function not found`,
-        userFriendlyMessage: t`Serverless function not found`,
+        userFriendlyMessage: msg`Serverless function not found`,
       });
     }
 

packages/twenty-server/src/engine/workspace-manager/workspace-migration-v2/workspace-migration-builder-v2/validators/services/flat-database-event-trigger-validator.service.ts

@@ -1,6 +1,6 @@
 import { Injectable } from '@nestjs/common';
 
-import { t } from '@lingui/core/macro';
+import { t, msg } from '@lingui/core/macro';
 import { isDefined } from 'twenty-shared/utils';
 
 import { FlatEntityMaps } from 'src/engine/core-modules/common/types/flat-entity-maps.type';
@@ -35,7 +35,7 @@ export class FlatDatabaseEventTriggerValidatorService {
       errors.push({
         code: DatabaseEventTriggerExceptionCode.DATABASE_EVENT_TRIGGER_NOT_FOUND,
         message: t`Database event trigger not found`,
-        userFriendlyMessage: t`Database event trigger not found`,
+        userFriendlyMessage: msg`Database event trigger not found`,
       });
     }
 
@@ -48,7 +48,7 @@ export class FlatDatabaseEventTriggerValidatorService {
       errors.push({
         code: DatabaseEventTriggerExceptionCode.SERVERLESS_FUNCTION_NOT_FOUND,
         message: t`Serverless function not found`,
-        userFriendlyMessage: t`Serverless function not found`,
+        userFriendlyMessage: msg`Serverless function not found`,
       });
     }
 
@@ -76,7 +76,7 @@ export class FlatDatabaseEventTriggerValidatorService {
       errors.push({
         code: DatabaseEventTriggerExceptionCode.DATABASE_EVENT_TRIGGER_NOT_FOUND,
         message: t`Database event trigger not found`,
-        userFriendlyMessage: t`Database event trigger not found`,
+        userFriendlyMessage: msg`Database event trigger not found`,
       });
     }
 
@@ -108,7 +108,7 @@ export class FlatDatabaseEventTriggerValidatorService {
       errors.push({
         code: DatabaseEventTriggerExceptionCode.DATABASE_EVENT_TRIGGER_ALREADY_EXIST,
         message: t`Database event trigger with same id already exists`,
-        userFriendlyMessage: t`Database event trigger already exists`,
+        userFriendlyMessage: msg`Database event trigger already exists`,
       });
     }
 
@@ -121,7 +121,7 @@ export class FlatDatabaseEventTriggerValidatorService {
       errors.push({
         code: DatabaseEventTriggerExceptionCode.SERVERLESS_FUNCTION_NOT_FOUND,
         message: t`Serverless function not found`,
-        userFriendlyMessage: t`Serverless function not found`,
+        userFriendlyMessage: msg`Serverless function not found`,
       });
     }