404. That’s an error.
The requested URL /bookmarks/mark?op=add&bkmk=http%3A%2F%2Fwww.leonardcohen.com%2Fde%2Fnews%2Fzusatzkonzerte&title=Zusatzkonzerte was not found on this server. That’s all we know.
/bookmarks/mark?op=add&bkmk=http%3A%2F%2Fwww.leonardcohen.com%2Fde%2Fnews%2Fzusatzkonzerte&title=Zusatzkonzerte