It solved the problem to me. Finally, i could build a 4.033 x 4.033 Landscape after type this command that you told (landscape.Nanite.MarchingSquaresVisibility 0), using UE 5.3.2. Thank you, man!
Unfortunatelly that did not work for me ((( UE5.3.2 keeps crashing
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you saved my life
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Yup sounds good!!
Nope its not. I get this in my project, 5101x5101, very large detaied scuilpting and meshes,nanite, lumen. Its a ram issue pretty sure. A basic level,is tiny enough to avoid ram issue no doubt.I need more ram,sadly to avoid this .Shame this isn’t coded better.
If you’re using a World Partition level you can load smaller sections of the landscape and build Nanite for them piecemeal instead of building Nanite for the entire landscape all at once.
I love you this has been bugging me for a month 
Im having this issue again with a very large landscape broken up in 4 tiles.
landscape.Nanite.MarchingSquaresVisibility 0 doesnt exist in 5.7…. so thats no help unfortunately.
Sadly, ain’t perfect. I got around this by 1) disabling Nanite till sculpting is finished, and 2) splitting the Landscape into smaller landscape sub-levels (level streaming) and saving incrementally, then re-enabling Nanite. My computer managed to save in parts like this, hope this helps