Fatal error: Uncaught Error: Class "Doctrine\DBAL\Configuration" not found in /var/www/apache/dev/cal/web/vendor/doctrine/orm/lib/Doctrine/ORM/Configuration.php:50 Stack trace: #0 {main} thrown in /var/www/apache/dev/cal/web/vendor/doctrine/orm/lib/Doctrine/ORM/Configuration.php on line 50