[CrashReport] UE4Editor-Engine.dylib!UEdGraphPin::SerializePin()

SEGV_MAPERR at 0x3

UE4Editor-Engine.dylib!UEdGraphPin::SerializePin()
UE4Editor-Engine.dylib!UEdGraphPin::Serialize()
UE4Editor-Engine.dylib!UEdGraphPin::SerializePin()
UE4Editor-Engine.dylib!UEdGraphPin::SerializePinArray()
UE4Editor-Engine.dylib!UEdGraphNode::Serialize()
UE4Editor-BlueprintGraph.dylib!UK2Node::Serialize()
UE4Editor-BlueprintGraph.dylib!UK2Node_Variable::Serialize()
UE4Editor-BlueprintGraph.dylib!UK2Node_MakeStruct::Serialize()
UE4Editor-CoreUObject.dylib!StaticDuplicateObjectEx()
UE4Editor-UnrealEd.dylib!FEdGraphUtilities::CloneGraph()
UE4Editor-KismetCompiler.dylib!FKismetCompilerContext::ProcessOneFunctionGraph()
UE4Editor-KismetCompiler.dylib!FKismetCompilerContext::CreateFunctionList()
UE4Editor-KismetCompiler.dylib!FKismetCompilerContext::CompileClassLayout()
UE4Editor-Kismet.dylib!FBlueprintCompilationManagerImpl::FlushCompilationQueueImpl()
UE4Editor-Kismet.dylib!FBlueprintCompilationManager::FlushCompilationQueue()
UE4Editor-CoreUObject.dylib!FScopedClassDependencyGather::~FScopedClassDependencyGather()
UE4Editor-CoreUObject.dylib!FLinkerLoad::CreateExport()
UE4Editor-CoreUObject.dylib!FLinkerLoad::IndexToObject()
UE4Editor-CoreUObject.dylib!FLinkerLoad::CreateExport()
UE4Editor-CoreUObject.dylib!FLinkerLoad::LoadAllObjects()
UE4Editor-CoreUObject.dylib!LoadPackageInternal()
UE4Editor-CoreUObject.dylib!FLinkerLoad::VerifyImportInner()
UE4Editor-CoreUObject.dylib!FLinkerLoad::VerifyImport()
UE4Editor-CoreUObject.dylib!FLinkerLoad::VerifyImportInner()
UE4Editor-CoreUObject.dylib!FLinkerLoad::VerifyImport()
UE4Editor-CoreUObject.dylib!FLinkerLoad::Verify()
UE4Editor-CoreUObject.dylib!FLinkerLoad::FinalizeCreation()
UE4Editor-CoreUObject.dylib!FLinkerLoad::Tick()
UE4Editor-CoreUObject.dylib!FLinkerLoad::CreateLinker()
UE4Editor-CoreUObject.dylib!GetPackageLinker()
UE4Editor-CoreUObject.dylib!LoadPackageInternal()
UE4Editor-CoreUObject.dylib!FLinkerLoad::VerifyImportInner()
UE4Editor-CoreUObject.dylib!FLinkerLoad::VerifyImport()
UE4Editor-CoreUObject.dylib!FLinkerLoad::VerifyImportInner()
UE4Editor-CoreUObject.dylib!FLinkerLoad::VerifyImport()
UE4Editor-CoreUObject.dylib!FLinkerLoad::Verify()
UE4Editor-CoreUObject.dylib!FLinkerLoad::FinalizeCreation()
UE4Editor-CoreUObject.dylib!FLinkerLoad::Tick()
UE4Editor-CoreUObject.dylib!FLinkerLoad::CreateLinker()
UE4Editor-CoreUObject.dylib!GetPackageLinker()
UE4Editor-CoreUObject.dylib!LoadPackageInternal()
UE4Editor-CoreUObject.dylib!FLinkerLoad::VerifyImportInner()
UE4Editor-CoreUObject.dylib!FLinkerLoad::VerifyImport()
UE4Editor-CoreUObject.dylib!FLinkerLoad::VerifyImportInner()
UE4Editor-CoreUObject.dylib!FLinkerLoad::VerifyImport()
UE4Editor-CoreUObject.dylib!FLinkerLoad::Verify()
UE4Editor-CoreUObject.dylib!FLinkerLoad::FinalizeCreation()
UE4Editor-CoreUObject.dylib!FLinkerLoad::Tick()
UE4Editor-CoreUObject.dylib!FLinkerLoad::CreateLinker()
UE4Editor-CoreUObject.dylib!GetPackageLinker()
UE4Editor-CoreUObject.dylib!LoadPackageInternal()
UE4Editor-CoreUObject.dylib!FLinkerLoad::VerifyImportInner()
UE4Editor-CoreUObject.dylib!FLinkerLoad::VerifyImport()
UE4Editor-CoreUObject.dylib!FLinkerLoad::VerifyImportInner()
UE4Editor-CoreUObject.dylib!FLinkerLoad::VerifyImport()
UE4Editor-CoreUObject.dylib!FLinkerLoad::Verify()
UE4Editor-CoreUObject.dylib!FLinkerLoad::FinalizeCreation()
UE4Editor-CoreUObject.dylib!FLinkerLoad::Tick()
UE4Editor-CoreUObject.dylib!FLinkerLoad::CreateLinker()
UE4Editor-CoreUObject.dylib!GetPackageLinker()
UE4Editor-CoreUObject.dylib!LoadPackageInternal()
UE4Editor-CoreUObject.dylib!LoadPackage()
UE4Editor-CoreUObject.dylib!ResolveName()
UE4Editor-CoreUObject.dylib!StaticLoadObjectInternal()