Fatal error: Uncaught Error: Class "FOS\RestBundle\Serializer\Normalizer\AbstractExceptionNormalizer" not found in /home/gingerbrup/rappelapi/vendor/friendsofsymfony/rest-bundle/Serializer/Normalizer/ExceptionNormalizer.php:21 Stack trace: #0 {main} thrown in /home/gingerbrup/rappelapi/vendor/friendsofsymfony/rest-bundle/Serializer/Normalizer/ExceptionNormalizer.php on line 21