Testing database connection...

1. Checking PDO MySQL extension: ✓ LOADED
2. Loading database config: ✓ OK
   Host: 192.168.3.4
   Database: partsam
   Username: pr
3. Attempting connection: ✗ FAILED
   Error: SQLSTATE[HY000] [2002] Network is unreachable

Possible issues:
- Database server is not accessible from this machine
- Firewall blocking connection
- Wrong credentials
- Database does not exist