Hello,
I’m creating a very simple landscape with sculpt tools.
As showed in pictures below, It’s found there are some wired shadows on the slope of mountains. Does anybody know why and how to improve it?
(I’m using UE5.1)
Are you using Lumen? 
@EliasWick , Thanks for the reply!
I checked the project setting and it looks I did enabled lumen as showed below.
Should I disable it to solve this problem?
I am not fully sure what this could be about. I thought you were not using Lumen and was therefore thinking it could be due to a light building issue. I am not really sure what this could be now…
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Does anybody has any clue on this?