Trouble with SARG

[Marcelo Garcia / Supermar]

Hello Everybody

I'm changing my atual system by Ubuntu 7.1. I used work with squid and sarg
But in the new server, i mconfigured squid and sarg but when sarg run, the 
error message is show

 sarg -l /var/log/squid/access.log -f /etc/squid/sarg.conf -d
$YESTERDAY-$HOJE
*** stack smashing detected ***: sarg terminated
Aborted

Squid is working ok. Below the value of the variables

root at atlas:/var/log/squid# echo $YESTERDAY
09/06/2008
root at atlas:/var/log/squid# echo $HOJE
10/06/2008
root at atlas:/var/log/squid#


Some sugestion ?

Tks a lot

Marcelo