Fatal error: Uncaught Error: Class 'Symfony\Component\Serializer\Normalizer\AbstractObjectNormalizer' not found in /home/clapsabo/test/vendor/api-platform/core/src/Serializer/AbstractItemNormalizer.php:42 Stack trace: #0 {main} thrown in /home/clapsabo/test/vendor/api-platform/core/src/Serializer/AbstractItemNormalizer.php on line 42