Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventDispatcherInterface" not found in /home/vinecork/public_html/awazzo.vinecork.com/bk/beckup/demo4/vendor/symfony/event-dispatcher/ImmutableEventDispatcher.php:19 Stack trace: #0 {main} thrown in /home/vinecork/public_html/awazzo.vinecork.com/bk/beckup/demo4/vendor/symfony/event-dispatcher/ImmutableEventDispatcher.php on line 19