Deprecated: ApiPlatform\Core\Hal\Serializer\CollectionNormalizer::getItemsData(): Implicitly marking parameter $format as nullable is deprecated, the explicit nullable type must be used instead in /home/aramisn/wws/vendor/api-platform/core/src/Hal/Serializer/CollectionNormalizer.php on line 75

Fatal error: Uncaught Error: Class "ApiPlatform\Core\Serializer\AbstractCollectionNormalizer" not found in /home/aramisn/wws/vendor/api-platform/core/src/Hal/Serializer/CollectionNormalizer.php:26 Stack trace: #0 {main} thrown in /home/aramisn/wws/vendor/api-platform/core/src/Hal/Serializer/CollectionNormalizer.php on line 26