i have a problem when i play with my 2 kontrol x1 mk2: traktor pro 4

traktor clock

Hello everyone I have a problem I play with 2 kontrol x1 mk2 one is in deck AC and the other in deck BD when I play ex: deck A a track on the kontroleur A-C and that I press the effect fx3 of the kontroleur BD it acts on the track that plays on the kontroleur AC when normally not ... I do not know what to do to return to normal I have uninstalled and reinstalled but nothing does....anyone has the solution to this problem

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