Fatal error: Uncaught Error: Interface 'KevinPapst\AdminLTEBundle\Model\MessageInterface' not found in /home/users/00/3c/21/home/www/vendor/kevinpapst/adminlte-bundle/Model/MessageModel.php:12 Stack trace: #0 {main} thrown in /home/users/00/3c/21/home/www/vendor/kevinpapst/adminlte-bundle/Model/MessageModel.php on line 12