Error Finding Configuration File: 

Can't locate SendMail.pm in @INC (@INC contains: /home/httpd/vhosts/ertra.com/httpdocs/home_discussions/ /usr/local/lib/perl5/5.8.8/i686-linux /usr/local/lib/perl5/5.8.8 /usr/local/lib/perl5/site_perl/5.8.8/i686-linux /usr/local/lib/perl5/site_perl/5.8.8 /usr/local/lib/perl5/site_perl /usr/local/lib/perl/5.8.4 /usr/local/lib/site_perl .) at /home/users/web/b1364/ipw.ertracom/public_html/cgi-bin/guesthome.pl line 157.

Make sure the configuration file is in this directory.
You may need to set the path in the require statement.