Reply to Traktor controller issue

Sup guys I'm having a bit of a issue and believe i know how to fix it but trying to find out if thiers a easier or better way to go about it ok so first the.

Problem: my current setup is a apc40 and a midifighter classic im usuing the collision mapping on my apc40 in traktor pro but when i load the mapping for the insta grat for my midifighter it interfers witht he mapping for my apc when i reload the mapping for my apc it kicks the mapping for the midifighter out.

it wasn't doing this before its just starting now so any ideas to why or how to stop fix or otherwise thanks all help is appreciated.