Fatal error: Uncaught Error: Class "Doctrine\DBAL\Platforms\MySQLPlatform" not found in C:\xampp\htdocs\batuhansunar\vendor\doctrine\dbal\src\Platforms\MySQL57Platform.php:17 Stack trace: #0 {main} thrown in C:\xampp\htdocs\batuhansunar\vendor\doctrine\dbal\src\Platforms\MySQL57Platform.php on line 17