I searched this quite a bit and some others have had this problem, but they said it has something to do with apple chips and rosetta, but supposedly now NI has fixed this problem. Everyone in the forum said turning off 'multi-core processing' fixed it, but that didn't work for me. Some others said start it up using Rosetta and that also didn't work for me. I have no idea what is going on with this thing, i've tried everything people recommend.
When i disconnect the Mixer from the USB DVS, and switch the soundcard internally, Traktor works like normal again.