Fatal error: Uncaught Error: Interface "Symfony\Component\Serializer\Normalizer\NormalizerInterface" not found in D:\htdocs\SuiteCRM\core\backend\MediaObjects\Services\PrivateMediaObjectNormalizer.php:37 Stack trace: #0 {main} thrown in D:\htdocs\SuiteCRM\core\backend\MediaObjects\Services\PrivateMediaObjectNormalizer.php on line 37