UE4Editor-Engine.dll!UActorComponent::GetOwner() Line 161
UE4Editor-UnrealEd.dll!FBlueprintCompileReinstancer::ReplaceInstancesOfClass(UClass * OldClass, UClass * NewClass, UObject * OriginalCDO) Line 283
UE4Editor-UnrealEd.dll!FBlueprintCompileReinstancer::ReinstanceObjects() Line 164
UE4Editor-UnrealEd.dll!FKismetEditorUtilities::CompileBlueprint(UBlueprint * BlueprintObj, bool bIsRegeneratingOnLoad, bool bSkipGarbageCollection, bool bSaveIntermediateProducts, FCompilerResultsLog * pResults) Line 354
UE4Editor-UnrealEd.dll!UEditorEngine::PlayInEditor(UWorld * InWorld, bool bInSimulateInEditor) Line 1550