Error in using Therm

Hello,there’s a problem in using Therm simulation.simulation did not run correctly because of the following error:
The geometry contains voids or overlapping regions. The edges surrounding these regions will be highlighted in red. You must fix this problem before simulating. Regenerating Boundary Conditions may correct this in some cases.The geometry contains overlapping regions. The edges surrounding these regions will be highlighted in red. You must fix this problem before simulating. ID(s): 14There are materials that lie outside of the Boundary ConditionsModel geometry and Boundary Conditions need to be properly defined before a calculation can be performed.
I checked but still didn’t find where I did wrong. I attached my model to this topic .
Envelope1.gh (490.2 KB)

Are you using Rhino 7+ by chance?
the THERM tools work in Rhino version 6, I believe that THERM tools are still incompatible with 7.
I keep a rhino 6 install just for this specific use.
Best
-trevor

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Oh,yes. I changed to Rhino 6 and it worded well.Thank you so much.
And I’ve got another question. Can Therm in gh output inner surface temperature or heat flux?

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