Shoot - Multi-purpose eCommerce Drupal Theme

Hi, I've just set up the shoot theme as per the instructions and get the following recursion crash: http://pastebin.com/i0AvJyZf I have xdebug installed but have upped the debug.max_nesting_level to 200 and 1000 but the web page just sits there doing nothing. Any help would be appreciated. Cheers Simon