Fatal error: Uncaught Error: Interface "JMS\Serializer\EventDispatcher\EventSubscriberInterface" not found in /home/flighto/e-commerce/vendor/jms/serializer-bundle/Serializer/StopwatchEventSubscriber.php:14 Stack trace: #0 {main} thrown in /home/flighto/e-commerce/vendor/jms/serializer-bundle/Serializer/StopwatchEventSubscriber.php on line 14