Fatal error: Uncaught Error: Interface "Symfony\Component\Serializer\Normalizer\NormalizerInterface" not found in C:\xampp\htdocs\SuiteCRM-8.9.2\core\backend\MediaObjects\Services\PublicMediaObjectNormalizer.php:36 Stack trace: #0 {main} thrown in C:\xampp\htdocs\SuiteCRM-8.9.2\core\backend\MediaObjects\Services\PublicMediaObjectNormalizer.php on line 36