Fatal error: Uncaught Error: Class "Symfony\Contracts\EventDispatcher\Event" not found in /home/vinecork/public_html/awazzo.vinecork.com/bk/beckup/demo4/vendor/symfony/event-dispatcher/GenericEvent.php:26 Stack trace: #0 {main} thrown in /home/vinecork/public_html/awazzo.vinecork.com/bk/beckup/demo4/vendor/symfony/event-dispatcher/GenericEvent.php on line 26