Android App Firebase Authentication Fix

I urgently require a skilled Android app developer with a deep understanding of Firebase. The major issue at hand is error messages popping up during the authentication process when using the email/password method.

An ideal candidate should:
- Be proficient in Android app development
-- Have extensive experience with Firebase authentication (specifically email/password authentication)
- Ability to investigate and fix bugs causing these error messages
- Be able to work with existing source code

Your main task would be to troubleshoot, discover and solve this recent anomaly in our app. Be ready to dive deep into the authentication system. Your goal is to ensure a seamless email/Password authentication process with zero error messages.