Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in /home/qcsvlel/www/core/modules/workspaces/src/EventSubscriber/WorkspaceRequestSubscriber.php:17 Stack trace: #0 {main} thrown in /home/qcsvlel/www/core/modules/workspaces/src/EventSubscriber/WorkspaceRequestSubscriber.php on line 17