Fatal error: Uncaught Error: Interface "JMS\Serializer\GraphNavigatorInterface" not found in /home/activeexcavators/public_html/vendor/jms/serializer/src/GraphNavigator.php:20 Stack trace: #0 {main} thrown in /home/activeexcavators/public_html/vendor/jms/serializer/src/GraphNavigator.php on line 20