Fatal error: Uncaught Error: Class "JMS\Serializer\EventDispatcher\Event" not found in /home/activeexcavators/public_html/vendor copy/jms/serializer/src/EventDispatcher/ObjectEvent.php:9 Stack trace: #0 {main} thrown in /home/activeexcavators/public_html/vendor copy/jms/serializer/src/EventDispatcher/ObjectEvent.php on line 9