❌ Database connection failed: SQLSTATE[HY000] [1044] Access denied for user 'ihuaasgi_exam_maker_user'@'localhost' to database 'ihuaasgi_exam_maker'
Please ensure:
1. MySQL server is running
2. Database 'exam_maker' exists
3. User 'exam_maker_user' exists with password '123'
4. User has proper permissions