> UnrealEditor-Sequencer.dll!UE::Sequencer::FFolderModel::OnConstruct() Line 69 C++ UnrealEditor-SequencerCore.dll!UE::Sequencer::FViewModel::SetSharedData(TSharedPtr<UE::Sequencer::FSharedViewModelData,1> InSharedData) Line 194 C++ UnrealEditor-SequencerCore.dll!UE::Sequencer::FViewModel::SetParentOnly(const TSharedPtr<UE::Sequencer::FViewModel,1> & NewParent, bool bReportChanges) Line 125 C++ UnrealEditor-SequencerCore.dll!UE::Sequencer::FViewModelChildren::AddChild(const TSharedPtr<UE::Sequencer::FViewModel,1> & Child) Line 240 C++ UnrealEditor-Sequencer.dll!UE::Sequencer::FFolderModelStorageExtension::CreateModelForFolder(UMovieSceneFolder * Folder, TSharedPtr<UE::Sequencer::FViewModel,1> DesiredParent) Line 56 C++ UnrealEditor-Sequencer.dll!UE::Sequencer::FFolderModelStorageExtension::OnRootFolderAdded(UMovieSceneFolder * InFolder) Line 95 C++ UnrealEditor-Sequencer.dll!UE::Sequencer::FFolderModelStorageExtension::OnReinitialize() Line 77 C++ UnrealEditor-Sequencer.dll!UE::Sequencer::FDynamicExtensionContainer::ReinitializeExtensions() Line 150 C++ [Inline Frame] UnrealEditor-MovieScene.dll!Invoke(void(UE::MovieScene::ISignedObjectEventHandler::*)()) Line 66 C++ [Inline Frame] UnrealEditor-MovieScene.dll!UE::MovieScene::TDataEventContainer<UE::MovieScene::ISignedObjectEventHandler>::Trigger(void(UE::MovieScene::ISignedObjectEventHandler::*)() &&) Line 61 C++ UnrealEditor-MovieScene.dll!UMovieSceneSignedObject::PostEditUndo() Line 200 C++ UnrealEditor-UnrealEd.dll!FTransaction::Apply() Line 959 C++ UnrealEditor-UnrealEd.dll!UTransBuffer::Undo(bool bCanRedo) Line 1625 C++
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-215805 in the post.