Fatal error: Uncaught Error: Class "Doctrine\DBAL\Platforms\AbstractPlatform" not found in C:\xampp\htdocs\mflux\vendor\doctrine\dbal\src\Platforms\DB2Platform.php:29 Stack trace: #0 {main} thrown in C:\xampp\htdocs\mflux\vendor\doctrine\dbal\src\Platforms\DB2Platform.php on line 29