Using UE 5.2 and when i use a reroute node after a substrate slab node I get an error
"[SM6] Missing StrataGenerateMaterialTopologyTree implementation for node MaterialExpressionReroute.
[SM6] Could not find any strata operators or BSDFs in Material /Engine/Transient.MM_TerrainProp_Layered (asset: /Engine/Transient).
[SM6] Substrate material errors encountered.
[SM6] (Node StrataSlabBSDF) Invalid StrataSlabBSDF operator and BSDF indices during promotion in Material /Engine/Transient.MM_TerrainProp_Layered (asset: /Engine/Transient)."