Fatal error: Uncaught Error: Interface "Symfony\Component\Serializer\Normalizer\NormalizerInterface" not found in /home/ntpcbgtpp/public_html/mat1/src/Serializer/APIPlatform/SkippableItemNormalizer.php:40 Stack trace: #0 {main} thrown in /home/ntpcbgtpp/public_html/mat1/src/Serializer/APIPlatform/SkippableItemNormalizer.php on line 40