Database Connection Error

Message: SQLSTATE[HY000] [1045] Access denied for user 'u638231622_pollutions'@'2a02:4780:a:1234::8a' (using password: YES)

Ports tried: 3306, 3307, 3308, 33060

Please check that:

• MySQL server is running (start it via XAMPP / WAMP / MAMP)
• Database u638231622_pollutions exists (import the SQL files from the sql/ folder)
• Credentials in includes/config/config.php are correct (default is user root with empty password)