AO is a left over from older Poser verions.
it was a tool to fake IDL for the older poser versions and it has its limitations.

IDL is what you want to use as from Poser 8 - PP2010, and certainly in Poser9-PP2012.

Poser 1, 2, 3, 4, 5, 7, P8 and PPro2010, P9 and PP2012, P10 and PP2014 Game Dev
"Do not drive faster then your angel can fly"!