“Mengabaikan header x-firebase-locale karena nilainya nol” Kode Jawaban

Mengabaikan header x-firebase-locale karena nilainya nol

Make sure the emulator is connected to the internet. Sometimes the wifi is on but doesnt connect to the interne

or

Have you enabled the Email/Password Sign-in method on your Firebase console?
  
or

android:usesCleartextTraffic="true"