Fatal error: Uncaught Error: Class "ApiPlatform\Core\Serializer\AbstractCollectionNormalizer" not found in C:\xampp\htdocs\bateriasec\vendor\api-platform\core\src\Hal\Serializer\CollectionNormalizer.php:28 Stack trace: #0 {main} thrown in C:\xampp\htdocs\bateriasec\vendor\api-platform\core\src\Hal\Serializer\CollectionNormalizer.php on line 28