Fatal error: Uncaught Error: Interface 'Symfony\Component\EventDispatcher\EventSubscriberInterface' not found in /home/itscm/dev.its.cm/itsgateway/vendor/symfony/http-kernel/EventListener/AbstractSessionListener.php:38 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/itsgateway/vendor/symfony/http-kernel/EventListener/AbstractSessionListener.php on line 38