Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Logging\DebugStack' not found in C:\Apache24\htdocs\cwlms\vendor\doctrine\doctrine-bundle\Dbal\Logging\BacktraceLogger.php:7 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cwlms\vendor\doctrine\doctrine-bundle\Dbal\Logging\BacktraceLogger.php on line 7