Fatal error: Uncaught Error: Class 'Symfony\Component\Serializer\Normalizer\AbstractObjectNormalizer' not found in /var/www/legtux.org/users/weboconsulting/www/vendor/api-platform/core/src/Serializer/AbstractItemNormalizer.php:58 Stack trace: #0 {main} thrown in /var/www/legtux.org/users/weboconsulting/www/vendor/api-platform/core/src/Serializer/AbstractItemNormalizer.php on line 58