Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventDispatcherInterface" not found in /home/tremblinlu/MyNextCloud/nextcloud/lib/private/EventDispatcher/SymfonyAdapter.php:37 Stack trace: #0 {main} thrown in /home/tremblinlu/MyNextCloud/nextcloud/lib/private/EventDispatcher/SymfonyAdapter.php on line 37