I haven't seen it this, but I yet haven't reexported my Genesis with V4/M4 UVs with the latest version of Studio.  Are you loading a texture before you export?  I had exported each with one of the textures that came with Studio...

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The Wisdom of bagginsbill:

"Oh - the manual says that? I have never read the manual - this must be why."
“I could buy better software, but then I'd have to be an artist and what's the point of that?"
"The [R'osity Forum Search] 'Default' label should actually say 'Don't Find What I'm Looking For'".
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