Sbox Error

The sbox program encountered an error while processing this request. Please note the time of the error, anything you might have been doing at the time to trigger the problem, and forward the information to this site's Webmaster ([no address given]).
exec of /usr/lib/cgi-bin/php failed (No such file or directory)

sbox version 1.11
$Id: sbox.c,v 1.8 2007/06/18 14:40:03 thomas Exp $