Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Exception' not found in C:\Apache24\htdocs\cwlms\vendor\doctrine\dbal\lib\Doctrine\DBAL\Exception\InvalidArgumentException.php:12 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cwlms\vendor\doctrine\dbal\lib\Doctrine\DBAL\Exception\InvalidArgumentException.php on line 12