Fatal error: Uncaught Error: Interface "JMS\Serializer\EventDispatcher\EventDispatcherInterface" not found in /home/activeexcavators/public_html/vendor copy/jms/serializer/src/EventDispatcher/EventDispatcher.php:17 Stack trace: #0 {main} thrown in /home/activeexcavators/public_html/vendor copy/jms/serializer/src/EventDispatcher/EventDispatcher.php on line 17