Fatal error: Uncaught Error: Class "JMS\Serializer\Exception\RuntimeException" not found in /home/flighto/e-commerce/vendor/jms/serializer/src/Exception/NonVisitableTypeException.php:9 Stack trace: #0 {main} thrown in /home/flighto/e-commerce/vendor/jms/serializer/src/Exception/NonVisitableTypeException.php on line 9