Update errors.json

Author: devjiwonchoi

packages/next/errors.json

@@ -899,5 +899,6 @@
   "898": "When using Cache Components, all `generateStaticParams` functions must return at least one result. This is to ensure that we can perform build-time validation that there is no other dynamic accesses that would cause a runtime error.\n\nLearn more: https://nextjs.org/docs/messages/empty-generate-static-params",
   "899": "Both \"%s\" and \"%s\" files are detected. Please use \"%s\" instead. Learn more: https://nextjs.org/docs/messages/middleware-to-proxy",
   "900": "Both %s file \"./%s\" and %s file \"./%s\" are detected. Please use \"./%s\" only. Learn more: https://nextjs.org/docs/messages/middleware-to-proxy",
-  "901": "The file \"%s\" must export a function, either as a default export or as a named \"%s\" export.\\nThis function is what Next.js runs for every request handled by this %s.\\n\\nWhy this happens:\\n- The file exists but doesn't export a function.\\n- The export is not a function (e.g., an object or constant).\\n- There's a syntax error preventing the export from being recognized.\\n\\nTo fix it:\\n- Check your \"%s\" file.\\n- Ensure it has either a default or \"%s\" function export.\\n- Restart the dev server if the error persists.\\n\\nLearn more: https://nextjs.org/docs/messages/middleware-to-proxy"
+  "901": "The file \"%s\" must export a function, either as a default export or as a named \"%s\" export.\\nThis function is what Next.js runs for every request handled by this %s.\\n\\nWhy this happens:\\n- The file exists but doesn't export a function.\\n- The export is not a function (e.g., an object or constant).\\n- There's a syntax error preventing the export from being recognized.\\n\\nTo fix it:\\n- Check your \"%s\" file.\\n- Ensure it has either a default or \"%s\" function export.\\n- Restart the dev server if the error persists.\\n\\nLearn more: https://nextjs.org/docs/messages/middleware-to-proxy",
+  "902": "The file \"%s\" must export a function, either as a default export or as a named \"%s\" export.\\nThis function is what Next.js runs for every request handled by this %s.\\n\\nWhy this happens:\\n%s- The file exists but doesn't export a function.\\n- The export is not a function (e.g., an object or constant).\\n- There's a syntax error preventing the export from being recognized.\\n\\nTo fix it:\\n- Check your \"%s\" file.\\n- Ensure it has either a default or \"%s\" function export.\\n- Restart the dev server if the error persists.\\n\\nLearn more: https://nextjs.org/docs/messages/middleware-to-proxy"
 }