Reply to All of a sudden cue acting up

For the past few hours every time i hit cue on deck a deck b cues up with it .Is this a new bug .Did I load something wrong .Using macbookpro , latest version of traktor and maping 3.5 , vci 100 with firmware upgrade . and usinng midifighter worked fine the other day all of a sudden i go to make a demo and boom everytime i hit cue on a ,b cues but not on cue point whereever song is playing it cues like I am using midifighter. Then when i do it on b it does same thing on a . please helppppp need to get demo out thanks ( does not do it when c and d are opened if I use c and b it works fin only when i am using a and b even when i hit play or cue both tracks will jump