Fatal error: Uncaught Error: Interface "JMS\Serializer\Handler\SubscribingHandlerInterface" not found in /home/recabarr/appl_tracking/src/API/Serializer/ValidationFailedExceptionErrorHandler.php:24 Stack trace: #0 {main} thrown in /home/recabarr/appl_tracking/src/API/Serializer/ValidationFailedExceptionErrorHandler.php on line 24