Fatal error: Uncaught Error: Class 'OCP\AppFramework\Controller' not found in /home/mattiapa/cloud2.mprnl.fr/owncloud/apps/activity/lib/Controller/Settings.php:38 Stack trace: #0 {main} thrown in /home/mattiapa/cloud2.mprnl.fr/owncloud/apps/activity/lib/Controller/Settings.php on line 38