I don't know about message boards but at one time there was an endemic problem with hit counters just stopping. The cure was to go back to your account and just get the code again and replace it on the site. Its probably worth giving that a try with your message board.
One thing i noticed is this:
When you hover over a message on the page I created, you see that the link is to:
domain/page/#bn-forum etc. etc.
On yours, the link goes to
There is probably some simple reason for this. Maybe if I had gotten more sleep lately I would see it. Or perhaps it is something I'll never find. You have a very complicated page. It starts by calling on 4 different css files and half a dozen scripts. Maybe some of your other scripts are interfering?
Try creating a simple (or empty page). Embed the code. If it works, add stuff from your page until it stops working.