I am working from the codelabs tutorial: https://firebase.google.com/codelabs/firebase-auth-in-flutter-apps#0 I can log in with email and password. I have also added a Google authentication provider, but login attempts using this provider always fail with “An unknown error occurred” after I select my Google account. I would appreciate help with how to track this error down (for example, are there logs somewhere?) or with possible causes for the error.