Member Search broken on BP-Social theme

Search is broken on my BP-Social theme... one of the many features not currently working (Members directory is also not functioning at all, but that's for another thread). Is there any thing I need to change on my end to get this to work?

To answer questions you will ask me:

1. Yes... it is working on the 2014 theme. The 2014 theme is amazing, but I'm currently using BP-Social.

2. Yes... I have tried removing all plugins. I'm trying to remove most of them and hand-code as much as possible, but need some plugins in order to meet client requirements.

Thank you very much for your help. It's not currenty indexing any members at all, and of course... this is a very important feature.