Not sure what Cr Pro is-but it may have to do with it's version of Python. There is a thread on Runtime DNA about scripts that have been updated to work with PoserPro2012. If you have Pro2010 you might see if you can make your changes within Pro2010-then continue with Pro2012. There was a free Python script that unhid hidden parameters that worked in Pro2010 but not Pro2012- so I moved the eyes inwards using the script in 2010-then rendered in 2012.

Eric