LogOutputDevice:Warning: Script Stack:
InstanceTransformer_C.ExecuteUbergraph_InstanceTransformer
InstanceTransformer_C.StartUpdating
InteractWithGrass_C.ExecuteUbergraph_InteractWithGrass
InteractWithGrass_C.CheckNearbyGrass
LogStats: FPlatformStackWalk::StackWalkAndDump -  0.009 s
LogOutputDevice:Warning: === Handled error: ===
Ensure condition failed: false [File:D:\Build\++UE4+Release-4.12+Compile\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\Obj.cpp] [Line: 646]
Unsupported context object of class InstanceTransformer_C (SuperClass(es) - Object). You must add a way to retrieve a UWorld context for this class.
Stack:
UE4Editor-Core.dll
UE4Editor-Core.dll
UE4Editor-Core.dll
UE4Editor-CoreUObject.dll
UE4Editor-Engine.dll
UE4Editor-Engine.dll
UE4Editor-Engine.dll
UE4Editor-CoreUObject.dll
UE4Editor-CoreUObject.dll
UE4Editor-CoreUObject.dll
UE4Editor-CoreUObject.dll
UE4Editor-CoreUObject.dll
UE4Editor-CoreUObject.dll
UE4Editor-CoreUObject.dll
UE4Editor-CoreUObject.dll
UE4Editor-CoreUObject.dll
UE4Editor-CoreUObject.dll
UE4Editor-CoreUObject.dll
UE4Editor-CoreUObject.dll
UE4Editor-CoreUObject.dll
UE4Editor-CoreUObject.dll
UE4Editor-CoreUObject.dll
UE4Editor-CoreUObject.dll
UE4Editor-CoreUObject.dll
UE4Editor-Engine.dll
UE4Editor-Engine.dll
UE4Editor-Engine.dll
UE4Editor-UnrealEd.dll
UE4Editor-UnrealEd.dll
UE4Editor.exe
UE4Editor.exe
UE4Editor.exe
UE4Editor.exe
UE4Editor.exe
KERNEL32.DLL
ntdll.dll
ntdll.dll