Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in C:\xampp\htdocs\retrodex\helpdesk\vendor\knplabs\knp-paginator-bundle\src\Subscriber\SlidingPaginationSubscriber.php:11 Stack trace: #0 {main} thrown in C:\xampp\htdocs\retrodex\helpdesk\vendor\knplabs\knp-paginator-bundle\src\Subscriber\SlidingPaginationSubscriber.php on line 11