fix: Show error log (#14960)

apps/web/modules/event-types/views/event-types-single-view.getServerSideProps.tsx

@@ -1,6 +1,8 @@
 import type { GetServerSidePropsContext } from "next";
 
 import { getServerSession } from "@calcom/features/auth/lib/getServerSession";
+import logger from "@calcom/lib/logger";
+import { safeStringify } from "@calcom/lib/safeStringify";
 
 import { asStringOrThrow } from "@lib/asStringOrNull";
 import type { inferSSRProps } from "@lib/types/inferSSRProps";
@@ -40,6 +42,7 @@ export const getServerSideProps = async (context: GetServerSidePropsContext) =>
       const { eventType } = await ssr.viewer.eventTypes.get.fetch({ id: eventTypeId });
       return eventType;
     } catch (e: unknown) {
+      logger.error(safeStringify(e));
       // reject, user has no access to this event type.
       return null;
     }

packages/lib/safeStringify.ts

@@ -5,7 +5,8 @@ export function safeStringify(obj: unknown) {
   try {
     if (obj instanceof Error) {
       // Errors don't serialize well, so we extract what we want
-      return obj.stack ?? obj.message;
+      // We stringify so that we can log the error message and stack trace in a single log event
+      return JSON.stringify(obj.stack ?? obj.message);
     }
     // Avoid crashing on circular references
     return JSON.stringify(obj);