Firebase Phone Authentication Error resolution - Android

I am looking for an Android developer who can help me resolve an error with Firebase Phone Authentication. The specific error message I am receiving is "Invoking original failure callbacks after phone verification failure error - This app is not authorized to use Firebase Authentication. Please verify that the correct package name, SHA-1, and SHA-256 are configured in the Firebase Console. [ Invalid app info in play_integrity_token ]".

Skills and Experience:
- Strong knowledge and experience with Firebase Phone Authentication
- Proficient in Android development
- Familiarity with error resolution and debugging
- Ability to work quickly and efficiently to resolve the issue

The ideal candidate will be able to prioritize this project and complete it as soon as possible. Please provide examples of previous work and any relevant certifications or qualifications.