errors with subsite

Im using gridmarket and market press. when i try to view any of the sub blogs i get these errors. `Warning: include(/home/ybrmark1/public_html/wp-content/themes/gridmarket/buddypress/buddypress-globals.php) [function.include]: failed to open stream: No such file or directory in /home/ybrmark1/public_html/wp-content/themes/gridmarket/header.php on line 5

Warning: include() [function.include]: Failed opening '/home/ybrmark1/public_html/wp-content/themes/gridmarket/buddypress/buddypress-globals.php' for inclusion (include_path='.:disappointed:usr/lib/php:disappointed:usr/local/lib/php') in /home/ybrmark1/public_html/wp-content/themes/gridmarket/header.php on line 5

Fatal error: Call to undefined function framemarket_font_show() in /home/ybrmark1/public_html/wp-content/themes/gridmarket/functions/theme.php on line 52`

im not sure how i managed to break my site. ANy ideas. I have disbaled all the plugins and that doesnt work either. im using the latest version of wordpress

http://www.ybrmarket.com.au/giggleandspin/