tnk.vera
KK Master
Was it the one where you can fix the twist by adjusting the Y position (about 0.005) of the wrist bones (cf_j_hand_L, cf_j_hand_R) in KKPE?In studio go to Anim > Joint Adjustment , it's the right hand so uncheck right arm or right forearm group. Maybe this will help to resolve the problem. Someone gave an other tip in KKPE (advanced mode) for this there's very long time but i don't remember.