The V3 anniversary bundle doesn't actually include the V3 figure. Have you bought V3 separately? because that error message is where Poser is trying to locate the .obj file for V3. If you have got the V3 base pack, then it sounds like it might not be installed in the correct location, or at least it isn't where Poser is expecting it to be...

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