Fatal error: Uncaught Error: Interface "Symfony\Component\Serializer\Normalizer\NormalizerInterface" not found in /home/indusaviation/public_html/crm/core/backend/MediaObjects/Services/PrivateMediaObjectNormalizer.php:39 Stack trace: #0 {main} thrown in /home/indusaviation/public_html/crm/core/backend/MediaObjects/Services/PrivateMediaObjectNormalizer.php on line 39