Hi Al,
It sounds like the export feature is looking for a second .vmdk that's not present, or at least not where the system thinks it should be. What's the story on this template? How did you build it? Has the VM been modified, moved, or copied before or after template creation?
Cheers,
Mike
http://VirtuallyMikeBrown.com
https://twitter.com/#!/VirtuallyMikeB
http://LinkedIn.com/in/michaelbbrown
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Mike Brown
VMware, Cisco Data Center, and NetApp dude
Sr. Systems Engineer
michael.b.brown3@gmail.com
Twitter: @VirtuallyMikeB
Blog: http://VirtuallyMikeBrown.com
LinkedIn: http://LinkedIn.com/in/michaelbbrown