Hi,
I am also having the same issue. Have been sitting here for 4 hours trying to fixed it.
i have tried:
disabling all plugins
change to default wordpress themes and other themes
still does not work.
forum is here:
http://www.joannalwleng.com/singleparentworkingmum/your-voice/
but topic can be foind here:
http://www.joannalwleng.com/singleparentworkingmum/forum/
i am running on multisite but bbpress and buddypress are sitewide forum, no groups and only activated on sub-site.
