Fatal error: Uncaught Error: Class "Symfony\Contracts\EventDispatcher\Event" not found in /home/fabnu1/public_html/avtoservice.fab.nu/vendor/symfony/event-dispatcher/GenericEvent.php:23 Stack trace: #0 {main} thrown in /home/fabnu1/public_html/avtoservice.fab.nu/vendor/symfony/event-dispatcher/GenericEvent.php on line 23