Attached Link: http://thenetherworks.com/

RReynolds, I've had this problem too - it seems to come when I've had Poser open for a long session and been switching materials around a lot. Netherworks has a free Python script which will remove all nodes as well as setting all material groups to white with no map. Go to the Freebies>Utility Poses section.

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"you are terrifying
and strange and beautiful
something not everyone knows how to love." - Warsan Shire