Fatal error: Uncaught Error: Interface "Symfony\Component\Serializer\NameConverter\NameConverterInterface" not found in /home/zdpktgd/ptc/vendor.old/symfony/serializer/NameConverter/CamelCaseToSnakeCaseNameConverter.php:19 Stack trace: #0 {main} thrown in /home/zdpktgd/ptc/vendor.old/symfony/serializer/NameConverter/CamelCaseToSnakeCaseNameConverter.php on line 19