I am sad to report that fbcmd, which was used by NavierStokes, is no longer supported. Basically, it boiled down to Facebook being bullshit and constantly locking down more of their API. This was a huge time-suck for the author, who has better things to do with his life. As a result, NavierStokes bridging to Facebook is dead. I recommend just disabling this in your configuration, if you've been using it.