alright so it seems when you open stykz and then open a blank doc. it causes a error when you double click to import a figure from the library. if the error doesn't happen to pop up with doing that if you go to edit it's scale(wihtout clicking on the stage) and enter a new number into the scale and hit enter error box pops up.
if useful here's the problem recorder.
http://www.hostmyfilez.com/8xbxyrl4rcu0/problem1.zip
and
Default figure that's being used

