The php script associated with the "delete" link on Reserved User Names is not found.

It's looking for this:
Code:
http://www.thewall.net/admin/disallow_user_name.php?action=del&id=2
and coming up with

Code:
Not Found
The requested URL /admin/disallow_user_name.php was not found on this server.
Thanks for all your efforts on this script!