Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Exception' not found in E:\xampp\htdocs\www\qr250\vendor\doctrine\dbal\src\Cache\CacheException.php:7 Stack trace: #0 {main} thrown in E:\xampp\htdocs\www\qr250\vendor\doctrine\dbal\src\Cache\CacheException.php on line 7