404. That’s an error.

The requested URL /bookmarks/mark?op=add&bkmk=http%3A%2F%2F109.te.ua%2F617&title=%D0%9A%D0%BE%D0%BD%D1%82%D0%B0%D0%BA%D1%82%D0%B8 was not found on this server. That’s all we know.