Wii - Cannot use Gamecube controller connected in socket 1

[swaty]

Hi, im trying to play

Wii Tatsunoko Vs Capcom Ultimate All Stars but i get this screen,
"You cannot use other controllers with a nintendo gamecube connected to controller socket 1"
iv tried also with Dolphin x64 r4771. Iv tried disabling gc gamepad when posible(depends on version), hitting the connect wimote option, but nothing. mouse doesnt seem to work either.

Any ideas??

cheers!