Fatal error: Uncaught Error: Class "Doctrine\DBAL\Schema\Comparator" not found in D:\Apache24\www\dls\back-end\vendor\doctrine\dbal\src\Platforms\SQLServer\Comparator.php:15 Stack trace: #0 {main} thrown in D:\Apache24\www\dls\back-end\vendor\doctrine\dbal\src\Platforms\SQLServer\Comparator.php on line 15