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 (webmaster@www.ad.cyberhome.ne.jp).
exec of /cgi-bin/joyful/joyful.cgi failed (Permission denied)

sbox version 1.10
$Id: sbox.c,v 1.16 2005/12/05 14:58:01 lstein Exp $