Are you sure you have not any RealTrack on a track ? Because the problem is known see my post below. I did not note this issue with 100% MIDI styles.
I've sent a file with this issue to support PG people for investigation. I hope we'll get soon a fix.

http://www.pgmusic.com/forums/showflat.php?Cat=0&Number=344415&an=0&page=5#Post344415


Reach for excellence