Fatal error: Uncaught Error: Class "Symfony\Component\Serializer\Normalizer\AbstractNormalizer" not found in /home/backupcp/public_html/ntpcbgtpp.hweb.xyz/vendor/dunglas/api-bundle/JsonLd/Serializer/ItemNormalizer.php:37 Stack trace: #0 {main} thrown in /home/backupcp/public_html/ntpcbgtpp.hweb.xyz/vendor/dunglas/api-bundle/JsonLd/Serializer/ItemNormalizer.php on line 37