Why are my rafters changing sizes?

[frank1]

Using Home Designer Pro 2023, I'm rendering a pavillion on a slab. Within the roof defaults, I changed fascia and soffit/eve to "opening (no material)" and the roof surface and ridge cap to brown corrugated metal. I set it on posts with footers and manually drew roof planes. Rafters initially didn't render. When I opened them, despite having changed them in the defaults to Fir framing 1, under materials they displayed as "opening (no material). I fixed that with the eyedropper. Then I realized my rafters didn't render the proper depth (9 1/4") nor did my ridge beam.

 

In "End2" jpg, the rafters don't display the depth of the rafters on the right. Oddly enough, if I peel the roof surface back and move any rafter in the slightest, it instantly changes to the proper depth.

 

Within "End2a" vector view, there seems to be an underlayment that's causing the problem. It also stops the rafters from sitting on the roof beams in the birdsmouth cut as shown in "End2b" jpg.

Any help would be appreciated.

[frank1]

I've uploaded my plan from my previous post. Sorry, I should have already done that.

Byler8.plan