FB login - Firebase.Auth() Error: The supplied auth credential is malformed or has expired

Question

I\'m using react-native-fbsdk: 0.8.0, react-native-firebase: ^5.2.2, react-native: ^0.57.4 and Facebook Test User account.

This happened so suddenly. On

Answer 1

I had the same issue, when it turned out I forgot to set the correct API keys and secret in the Firebase console (Authentication methods).