Big Problem.Little solution

[PeterSkarzay]

Whilst mixing through Traktor 2.5 , I encountered a problem whereby whenever I crossfade to "deck B", "deck B's" sound is muted.Whereas whenever I mix into "deck A" the deck's sound is finely output but is mixed with the sound from "deck B".I have no connected interface or controller and this problem hasn't been present before.

[PeterSkarzay]

Oh my It seems I grouped deck A+B together by mistake,apologies,didn't sleep enough from yesterdays street party.
Kids! get enough sleep and no alcohol