anvil.tables.TableError: No such column 'user' in this view

It’s hard to say what’s happening without knowing more about what you’re doing. If this is an app you can share, you can create a clone link and post it so we can see the entire app. You can see how to get a clone link in this post (ignore the title, that goes straight to a post with details on getting a clone link): Document Tracker Demo app code available?