404. That’s an error.
The requested URL /bookmarks/mark?op=add&bkmk=http%3A//www.pace.edu/mypace/lax-arrival-plv&title=LAX%20Arrival%20%28PLV%29 was not found on this server. That’s all we know.
/bookmarks/mark?op=add&bkmk=http%3A//www.pace.edu/mypace/lax-arrival-plv&title=LAX%20Arrival%20%28PLV%29