title: Can't sign In with email and password with Firebase
body: <p>I cannot authenticate with Firebase. This is my error:</p>
  
  <pre><code>at com.google.android.gms.internal.zzdtp.zzb(Unknown Source)
  com.google.android.gms.internal.zzdtw.zzb(Unknown Source)
  com.google.firebase.auth.FirebaseAuth.signInWithEmailAndPassword(Unknown Source)
  com.example.limthy.icestudio.MainActivity$2.onClick(MainActivity.java:61)
  </code></pre>