diff --git a/apps/web/pages/event-types/[type]/index.tsx b/apps/web/pages/event-types/[type]/index.tsx
index 62725e7a71..0c463d032a 100644
--- a/apps/web/pages/event-types/[type]/index.tsx
+++ b/apps/web/pages/event-types/[type]/index.tsx
@@ -168,18 +168,14 @@ const EventTypePage = (props: EventTypeSetupProps) => {
       }
 
       if (err.data?.code === "UNAUTHORIZED") {
-        message = `${err.data.code}: You are not able to update this event`;
+        message = `${err.data.code}: ${t("error_event_type_unauthorized_update")}`;
       }
 
       if (err.data?.code === "PARSE_ERROR" || err.data?.code === "BAD_REQUEST") {
-        message = `${err.data.code}: ${err.message}`;
+        message = `${err.data.code}: ${t(err.message)}`;
       }
 
-      if (message) {
-        showToast(message, "error");
-      } else {
-        showToast(err.message, "error");
-      }
+      showToast(message ? t(message) : t(err.message), "error");
     },
   });
 
diff --git a/apps/web/public/static/locales/en/common.json b/apps/web/public/static/locales/en/common.json
index df649dfdcb..39cb740911 100644
--- a/apps/web/public/static/locales/en/common.json
+++ b/apps/web/public/static/locales/en/common.json
@@ -339,6 +339,11 @@
   "cancelling_event_recurring": "The event is one instance of a recurring event.",
   "cancelling_all_recurring": "These are all remaining instances in the recurring event.",
   "error_with_status_code_occured": "An error with status code {{status}} occurred.",
+  "error_event_type_url_duplicate": "An event type with this URL already exists.",
+  "error_event_type_unauthorized_create": "You are not able to create this event",
+  "error_event_type_unauthorized_update": "You are not able to edit this event",
+  "error_workflow_unauthorized_create": "You are not able to create this workflow",
+  "error_schedule_unauthorized_create": "You are not able to create this schedule",
   "booking_already_cancelled": "This booking was already canceled",
   "booking_already_accepted_rejected": "This booking was already accepted or rejected",
   "go_back_home": "Go back home",
diff --git a/packages/features/ee/workflows/components/EventWorkflowsTab.tsx b/packages/features/ee/workflows/components/EventWorkflowsTab.tsx
index 064d5ae93d..89a32c68b9 100644
--- a/packages/features/ee/workflows/components/EventWorkflowsTab.tsx
+++ b/packages/features/ee/workflows/components/EventWorkflowsTab.tsx
@@ -226,7 +226,7 @@ function EventWorkflowsTab(props: Props) {
       }
 
       if (err.data?.code === "UNAUTHORIZED") {
-        const message = `${err.data.code}: You are not able to create this workflow`;
+        const message = `${err.data.code}: ${t("error_workflow_unauthorized_create")}`;
         showToast(message, "error");
       }
     },
diff --git a/packages/features/ee/workflows/pages/index.tsx b/packages/features/ee/workflows/pages/index.tsx
index 24ecea6050..2331e1d52a 100644
--- a/packages/features/ee/workflows/pages/index.tsx
+++ b/packages/features/ee/workflows/pages/index.tsx
@@ -40,7 +40,7 @@ function WorkflowsPage() {
       }
 
       if (err.data?.code === "UNAUTHORIZED") {
-        const message = `${err.data.code}: You are not able to create this workflow`;
+        const message = `${err.data.code}: ${t("error_workflow_unauthorized_create")}`;
         showToast(message, "error");
       }
     },
diff --git a/packages/features/eventtypes/components/CreateEventTypeDialog.tsx b/packages/features/eventtypes/components/CreateEventTypeDialog.tsx
index 13d1f9be63..c687ed9f37 100644
--- a/packages/features/eventtypes/components/CreateEventTypeDialog.tsx
+++ b/packages/features/eventtypes/components/CreateEventTypeDialog.tsx
@@ -127,12 +127,12 @@ export default function CreateEventTypeDialog({
       }
 
       if (err.data?.code === "BAD_REQUEST") {
-        const message = `${err.data.code}: URL already exists.`;
+        const message = `${err.data.code}: ${t("error_event_type_url_duplicate")}`;
         showToast(message, "error");
       }
 
       if (err.data?.code === "UNAUTHORIZED") {
-        const message = `${err.data.code}: You are not able to create this event`;
+        const message = `${err.data.code}: ${t("error_event_type_unauthorized_create")}`;
         showToast(message, "error");
       }
     },
diff --git a/packages/features/eventtypes/components/DuplicateDialog.tsx b/packages/features/eventtypes/components/DuplicateDialog.tsx
index 57ec7a9e8f..debed3ff35 100644
--- a/packages/features/eventtypes/components/DuplicateDialog.tsx
+++ b/packages/features/eventtypes/components/DuplicateDialog.tsx
@@ -65,7 +65,7 @@ const DuplicateDialog = () => {
       }
 
       if (err.data?.code === "UNAUTHORIZED" || err.data?.code === "FORBIDDEN") {
-        const message = `${err.data.code}: You are not able to create this event`;
+        const message = `${err.data.code}: ${t("error_event_type_unauthorized_create")}`;
         showToast(message, "error");
       }
     },
diff --git a/packages/features/schedules/components/NewScheduleButton.tsx b/packages/features/schedules/components/NewScheduleButton.tsx
index bd52102758..f223b80235 100644
--- a/packages/features/schedules/components/NewScheduleButton.tsx
+++ b/packages/features/schedules/components/NewScheduleButton.tsx
@@ -56,7 +56,7 @@ export function NewScheduleButton({
       }
 
       if (err.data?.code === "UNAUTHORIZED") {
-        const message = `${err.data.code}: You are not able to create this event`;
+        const message = `${err.data.code}: ${t("error_schedule_unauthorized_create")}`;
         showToast(message, "error");
       }
     },
diff --git a/packages/trpc/server/routers/viewer/eventTypes/update.handler.ts b/packages/trpc/server/routers/viewer/eventTypes/update.handler.ts
index b86cb4da03..98e8ad2268 100644
--- a/packages/trpc/server/routers/viewer/eventTypes/update.handler.ts
+++ b/packages/trpc/server/routers/viewer/eventTypes/update.handler.ts
@@ -298,10 +298,27 @@ export const updateHandler = async ({ ctx, input }: UpdateOptions) => {
       });
     }
   }
-  const updatedEventType = await ctx.prisma.eventType.update({
-    where: { id },
-    data,
+
+  const updatedEventTypeSelect = Prisma.validator<Prisma.EventTypeSelect>()({
+    slug: true,
+    schedulingType: true,
   });
+  let updatedEventType: Prisma.EventTypeGetPayload<{ select: typeof updatedEventTypeSelect }>;
+  try {
+    updatedEventType = await ctx.prisma.eventType.update({
+      where: { id },
+      data,
+      select: updatedEventTypeSelect,
+    });
+  } catch (e) {
+    if (e instanceof Prisma.PrismaClientKnownRequestError) {
+      if (e.code === "P2002") {
+        // instead of throwing a 500 error, catch the conflict and throw a 400 error.
+        throw new TRPCError({ message: "error_event_type_url_duplicate", code: "BAD_REQUEST" });
+      }
+    }
+    throw e;
+  }
 
   // Handling updates to children event types (managed events types)
   await updateChildrenEventTypes({