Visualization problem in shapediver viewer

I have a problem with this construction that consists of some
corrugated panels. In my rhino file it is ok and it should look like this:

Instead, when I upload it to shapediver, it looks like this:

I attach this file (75.6 KB)

Can someone please help me? Thanks.

The share ShapeDiver system still runs Rhino 6, while you are using Rhino 7. You could make sure your definition works as expected in Rhino 6 before uploading it, or start a trial for one of the paid ShapeDiver accounts which let you switch to a Rhino 7 system.