Membership Access Levels Not Working

We are using:
WPMU Theme (Blogs MU)
WPMU MarketPress Plugin
WPMU Membership Plugin

Disabled all other plugins.. Membership access levels do not not work.
Tried using the 2012 Theme.. Membership access levels do not work.
Yes, we are testing in multiple browsers.
Yes, we have disabled the other plugins.
Yes, we have tried the 2012 theme.

We need some help here.