I'm getting the following error after installing the SEO URL module

I'm running v 1.3.0.1 and followed the updated instructions. The address of my site is hatchnmgreenchile.com

Please Help!

Warning: zen_href_link(includes/classes/seo.url.php): failed to open stream: No such file or directory in /home/berridge/public_html/includes/functions/html_output.php on line 18

Warning: zen_href_link(): Failed opening 'includes/classes/seo.url.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/berridge/public_html/includes/functions/html_output.php on line 18

Fatal error: Cannot instantiate non-existent class: seo_url in /home/berridge/public_html/includes/functions/html_output.php on line 20