Editor Message :
Can’t save …/…/…/…/…/…/developement/UnrealEngine/ActionRPG/ActionRPG/Content/WordlMap/Level_0_0.umap: Graph is linked to object(s) in external map.
External Object(s):
LandmassBrushManager_C_0
Editor Message :
Can’t save …/…/…/…/…/…/developement/UnrealEngine/ActionRPG/ActionRPG/Content/WordlMap/Level_0_0.umap: Graph is linked to object(s) in external map.
External Object(s):
LandmassBrushManager_C_0
Fixed by adding a new layer.
thx dude