Fatal error: Uncaught Error: Interface 'Symfony\Component\EventDispatcher\EventSubscriberInterface' not found in /home/vtsnised/public_html/anketa2.0/vendor/symfony/http-kernel/EventListener/ExceptionListener.php:30 Stack trace: #0 {main} thrown in /home/vtsnised/public_html/anketa2.0/vendor/symfony/http-kernel/EventListener/ExceptionListener.php on line 30