Full screen doesn't work on external monitor

i have 2009 imac second display. , 1 app "traktor pro 2" not stay full screen on external monitor. if make full screen on external screen becomes full screen on imac leaving external monitor. full screen activated not same way lion apps built in feature in app long ago. there way on come this?
thank

 

basically, no. enjoy new paperweight, or don't use full screen.

 

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