gRPC
5 NOT_FOUND
Some requested entity was not found. For example, a file or directory that the RPC was supposed to operate on does not exist.
When You See This Code
The resource referenced in the request doesn't exist — such as looking up a user by ID that has been deleted or never created.
How to Fix
Verify the resource identifier is correct. Ensure the resource was created before accessing it, or handle the not-found case gracefully in your client.