404. That’s an error.
The requested URL /bookmarks/mark?op=add&bkmk=http%3A%2F%2Fwww.pro-linux.de%2Fnews%2F1%2F15628%2Fagorum-core-643-verf%FCgbar.html&title=agorum+core+6.4.3+verf%C3%BCgbar+-+News+-+Pro-Linux
was not found on this server. That’s all we know.