Fatal error: Uncaught Error: Class 'Symfony\Bundle\FrameworkBundle\Controller\AbstractController' not found in /home/users/00/3c/21/home/www/vendor/kevinpapst/adminlte-bundle/Controller/EmitterController.php:16 Stack trace: #0 {main} thrown in /home/users/00/3c/21/home/www/vendor/kevinpapst/adminlte-bundle/Controller/EmitterController.php on line 16