Fatal error: Uncaught Error: Class "ApiPlatform\Serializer\AbstractItemNormalizer" not found in /home/wgswpjdx/atpu.my-toolbox.tn/vendor/api-platform/core/src/JsonApi/Serializer/ItemNormalizer.php:46 Stack trace: #0 {main} thrown in /home/wgswpjdx/atpu.my-toolbox.tn/vendor/api-platform/core/src/JsonApi/Serializer/ItemNormalizer.php on line 46