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

If the app secret is wrong in firebase than this problem occurs

if the access token is entered wrong than also this problem occurs