Форумы / Cotonti / Extensions / [RELEASE] Cotonti Awesome mod_rewrite URL System

Actually you cant test it on a subdomain due to the HTACCESS being universal for all three. In short this means that if you run it on a subdomain HTACCESS will thing it's a category.

You need to test it on a real domain or remove all the subdomain code (which is most of it)