Help about soft modded wii needed!

I have a nintendo Wii 4,1 soft modded and i usually play games from usb loader and i have two original games which i play normally. But i bought rock band with the wireless controlers(guitar,drums,microphone) and when i try to play it normally i get error #002. When I load the game with NeoGamma it plays put it doesn't recognize the controllers. What should I do?