Fatal error: Uncaught Error: Class "Doctrine\DBAL\Platforms\MySQLPlatform" not found in D:\Apache24\www\dls\back-end\vendor\doctrine\dbal\src\Platforms\MySQL57Platform.php:17 Stack trace: #0 {main} thrown in D:\Apache24\www\dls\back-end\vendor\doctrine\dbal\src\Platforms\MySQL57Platform.php on line 17