"Next" button grayed out in Extend Volume Wizard

Greetings,

I'm kind of stumped, I've never seen this before.  I've seen where the "Extend Volume" option is grayed out, but never have I seen where you can get into the Wizard, but not continue.

Here is a screenshot:

Image may be NSFW.
Clik here to view.

Any information would be appreciated.

Thanks,
Jeremy