Fatal error: Uncaught Error: Class "Symfony\Bundle\FrameworkBundle\Controller\Controller" not found in /home/u6668910/public_html/lab/vendor/helios-ag/fm-elfinder-bundle/Controller/ElFinderController.php:18 Stack trace: #0 {main} thrown in /home/u6668910/public_html/lab/vendor/helios-ag/fm-elfinder-bundle/Controller/ElFinderController.php on line 18