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Crash of the engine when trying to convert models to Nanite

When trying to translate my old meshes, I got an engine crash. Simpler meshes were able to be translated, but more detailed ones caused a crash.
I found out that this only happens with models exported via datasmith.
In the 3d editor (c4d), I converted the model to FBX and after importing successfully converted it to nanite.
// i used datasmith c4d

I had the same problem. I found that if I converted the mesh to a static mesh in UE (right click on mesh and select ‘Convert StaticMesh’) and then converted it to Nanite, the conversion worked fine.