UE5.1 Landscape Physical Material Needs To Be Rebuilt

Development World Creation
, ,
10

I have fixed the issue by changing engine code
follow is the solution

Lnadscape.cpp

you will find the code below

LastBakedTextureMaterialGuid = BakedTextureMaterialGuid;
LastSavedPhysicalMaterialHash = PhysicalMaterialHash;

this two valuable only set in giseditor, not with editor