Fatal error: Uncaught Error: Interface 'JMS\Serializer\EventDispatcher\EventSubscriberInterface' not found in /home/itscm/dev.its.cm/itsgateway/vendor/jms/serializer/src/EventDispatcher/Subscriber/DoctrineProxySubscriber.php:17 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/itsgateway/vendor/jms/serializer/src/EventDispatcher/Subscriber/DoctrineProxySubscriber.php on line 17