Fatal error: Uncaught Error: Class 'Sonata\DoctrineMongoDBAdminBundle\Model\ModelManager' not found in /home/lafaamicps/www/symfony/vendor/sonata-project/media-bundle/Admin/Manager/DoctrineMongoDBManager.php:12 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/sonata-project/media-bundle/Admin/Manager/DoctrineMongoDBManager.php on line 12