Fatal error: Uncaught Error: Interface "Vich\UploaderBundle\Naming\NamerInterface" not found in /var/www/crm_killing_ninja/core/backend/MediaObjects/Services/UuidMediaObjectFileNamer.php:34 Stack trace: #0 {main} thrown in /var/www/crm_killing_ninja/core/backend/MediaObjects/Services/UuidMediaObjectFileNamer.php on line 34