Need to resolve Small Issue with Firebase

Project Title: Small Issue with Firebase Database Connectivity

I am currently facing a database connectivity issue with Firebase and I need it resolved as soon as possible.

Skills and Experience Needed:
- Strong knowledge and experience in Java
- Proficient in Firebase and its database connectivity
- Familiarity with Firebase authentication and cloud messaging
- Ability to troubleshoot and resolve database connectivity issues quickly

Deadline:
- This issue needs to be resolved within 24 hours.

Please provide your relevant experience and how you plan to address the database connectivity issue with Firebase within the given timeframe.