Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Schema\Comparator' not found in E:\xampp\htdocs\www\order\qr251\vendor\doctrine\dbal\src\Platforms\SQLite\Comparator.php:17 Stack trace: #0 {main} thrown in E:\xampp\htdocs\www\order\qr251\vendor\doctrine\dbal\src\Platforms\SQLite\Comparator.php on line 17