Fatal error: Uncaught Error: Class "Doctrine\DBAL\Driver\Middleware\AbstractDriverMiddleware" not found in D:\Apache24\www\dls\back-end\vendor\doctrine\dbal\src\Portability\Driver.php:14 Stack trace: #0 {main} thrown in D:\Apache24\www\dls\back-end\vendor\doctrine\dbal\src\Portability\Driver.php on line 14