when i tried to build pages i got this error:
Updating ratings ..

CGI ERROR
==========================================
Error Message : fatal error: Illegal division by zero at nph-build.cgi line 432, chunk 57.

Script Location : nph-build.cgi
Perl Version : 5.00404

Everithing was working untill 3 days ago. please advice me.
also, when i tried to rate a link, i got the message "invalid tag %title%"
thank you in advance