Reply to Traktor does not record?

so today i was recording a new mix and everything seemed to be fine the wave file was saved on my desktop and i just wanted to start editing a video since i also recorded some footage but now i wanted to hear my mix and it doesnt have any sound and now that i went to check when i hit record on traktor you see the amount of MB's its using but u dont the the L and R move or anything while im playing a song i resetted all my settings since i thought maybe i messed up the settings but still nothing any help? im using a Kontrol S2