Fatal error: Uncaught Error: Class "OCP\AppFramework\Controller" not found in /users/ms-it/www/oc/apps/files_sharing/lib/Controller/PersonalSettingsController.php:32 Stack trace: #0 {main} thrown in /users/ms-it/www/oc/apps/files_sharing/lib/Controller/PersonalSettingsController.php on line 32