404. That’s an error.

The requested URL /bookmarks/mark?op=edit&output=popup&bkmk=https%3A%2F%2Fwww.khorh.net%2Fvb%2Fshowthread.php%3Ft%3D104090&title=%CE%E6%D1%E5+%C7%E1%C7%E4+%D5%E6%D1 was not found on this server. That’s all we know.