Fatal error: Uncaught Error: Interface "Doctrine\Common\EventSubscriber" not found in /home/ldt/public_html/canvas/udoit/vendor/doctrine/doctrine-bundle/src/EventSubscriber/EventSubscriberInterface.php:8 Stack trace: #0 {main} thrown in /home/ldt/public_html/canvas/udoit/vendor/doctrine/doctrine-bundle/src/EventSubscriber/EventSubscriberInterface.php on line 8