Fatal error: Uncaught Error: Class 'Symfony\Bundle\FrameworkBundle\Controller\Controller' not found in /home/lafaamicps/www/symfony/vendor/sonata-project/media-bundle/Controller/GalleryController.php:17 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/sonata-project/media-bundle/Controller/GalleryController.php on line 17