=== Ubuntu Server MySQL Diagnostic ===

Database Configuration:
Host: localhost
Port: 3306
Database: projectslive_3831bdqonpos
Username: projectslive_1913usrqonpos
Password: Set (hidden)

1. Testing PDO Connection...
✓ PDO connection successful

2. Testing Simple Query...
✓ Simple query successful: 1

3. Checking MySQL User Authentication Plugin...
❌ Diagnostic failed: SQLSTATE[42000]: Syntax error or access violation: 1142 SELECT command denied to user 'projectslive_1913usrqonpos'@'localhost' for table `mysql`.`user`
Stack trace:
#0 /home/projectslive/public_html/qonpos.com/Modules/Backup/Restore/server-diagnostic.php(76): PDO->query('SELECT user, ho...')
#1 {main}