1. 2019-05-10 16:51:03.468 21545-21578/? E/Unity: SignInWithEmailAndPasswordAsync encountered an error: System.AggregateException: One or more errors occurred. ---> System.AggregateException: One or more errors occurred. ---> Firebase.FirebaseException: Empty email or password are not allowed.
  2.        --- End of inner exception stack trace ---
  3.        --- End of inner exception stack trace ---
  4.     ---> (Inner Exception #0) System.AggregateException: One or more errors occurred. ---> Firebase.FirebaseException: Empty email or password are not allowed.
  5.        --- End of inner exception stack trace ---
  6.     ---> (Inner Exception #0) Firebase.FirebaseException: Empty email or password are not allowed.<---
  7.     <---