Traktor Pro n M-Audio fast Track Pro

Anybody using a Traktor Pro n an M-Audio fast track pro .. Having issues recording when im playing a Live Set. Ive connected my DJM-600 to the fast track pro via RCAs , Have the record button in Traktor but when im recording its just blank .. Hopin to find the solution for this .. Good wishes :)

You need to set up a deck as the recording input.

http://img214.imageshack.us/f/image001i.png/

in the recording section of preferences, select external, select a deck then go to input routing and route your sound card input channels to that deck.