I keep having this issue where roof planes disappear whenever I try to adjust the nodes of a multi-plane roof. Sometimes the roof disappears altogether. The missing plane is set to pitched, not gable, so it must be something else.
Tried this in both AC 25 and 26, same issue.
Intel(R) Core(TM) i7-10750H CPU @ 2.60GHz 2.59 GHz 32GB RAM
Intel(R) UHD Graphics 128MB VRAM