Fatal error: Uncaught Error: Class "JMS\Serializer\GraphNavigator" not found in /home/flighto/e-commerce/vendor/jms/serializer/src/GraphNavigator/SerializationGraphNavigator.php:44 Stack trace: #0 {main} thrown in /home/flighto/e-commerce/vendor/jms/serializer/src/GraphNavigator/SerializationGraphNavigator.php on line 44