Darkmoon Faire Games

[Shiguré]

Good morning/afternoon.
I recently downloaded the Nui addon, which is excellent also.
But I had some problems with it in the Darkmoon Faire... In fact, when I want to play those games (such as Whack-a-gnoll), there is supposed to be a special action bar with the abilities needed for the game. But, this special action bar never appeared on the screen. I can do nothing !
To complete those games, I had to disable the Nui for a moment.

Is there a way to play in the Darkmoon Faire without disabling Nui ?