Fatal error: Uncaught Error: Interface "Symfony\Component\Serializer\Normalizer\NormalizerInterface" not found in /home/dbdevweblamp/public_html/vendor/api-platform/core/src/Hydra/Serializer/CollectionNormalizer.php:35 Stack trace: #0 {main} thrown in /home/dbdevweblamp/public_html/vendor/api-platform/core/src/Hydra/Serializer/CollectionNormalizer.php on line 35