Affiliate/Membership Help

Sorry didnt know how to add to the first string...but now i get this error
Warning: require_once(affiliateincludes/includes/config.php) [function.require-once]: failed to open stream: No such file or directory in /home/jpxico/public_html/wp-content/plugins/affiliate/affiliate.php on line 348

Fatal error: require_once() [function.require]: Failed opening required 'affiliateincludes/includes/config.php' (include_path='.:disappointed:usr/lib/php:disappointed:usr/local/lib/php') in /home/jpxico/public_html/wp-content/plugins/affiliate/affiliate.php on line 348