I am not having this problem.
Does it matter how much you curve the wall (i.e. almost straight) or if the curve goes the other way?
Can you save a file with just those walls and upload it here?
Barry.
One of the forum moderators.
Versions 6.5 to 27
Dell XPS- i7-6700 @ 3.4Ghz, 16GB ram, GeForce GTX 960 (2GB), Windows 10
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