Fatal error: Uncaught Error: Class "JMS\Serializer\GraphNavigator" not found in /var/www/html/src/vendor/jms/serializer/src/GraphNavigator/SerializationGraphNavigator.php:47 Stack trace: #0 {main} thrown in /var/www/html/src/vendor/jms/serializer/src/GraphNavigator/SerializationGraphNavigator.php on line 47