Fatal error: Uncaught Error: Interface 'Symfony\Component\EventDispatcher\EventDispatcherInterface' not found in /home/avtoboy1/demo.avtoboyalar.az/vendor/symfony/event-dispatcher/EventDispatcher.php:33 Stack trace: #0 {main} thrown in /home/avtoboy1/demo.avtoboyalar.az/vendor/symfony/event-dispatcher/EventDispatcher.php on line 33