Fatal error: Uncaught Error: Class "OC\User\Sync\UsersIterator" not found in /users/ms-it/www/oc/lib/private/User/Sync/SeenUsersIterator.php:25 Stack trace: #0 {main} thrown in /users/ms-it/www/oc/lib/private/User/Sync/SeenUsersIterator.php on line 25