404. That’s an error.
The requested URL /forums/attachment.php?s=199c6a767579588478757d2fb43581d4&attachmentid=12211&d=1299974191 was not found on this server. That’s all we know.
/forums/attachment.php?s=199c6a767579588478757d2fb43581d4&attachmentid=12211&d=1299974191