Crash After cutting and pasting a blend radius track in sequencer

Assertion failed: InObject [File:D:\Build\++UE4+Release-4.18+Compile\Sync\Engine\Source\Runtime\MovieScene\Public\Evaluation/MovieScenePropertyTemplate.h] [Line: 248]

UE4Editor_Core!FDebug::AssertFailed() [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\core\private\misc\assertionmacros.cpp:414]
UE4Editor_MovieSceneTracks!TPropertyActuator<float>::Actuate() [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\moviescene\public\evaluation\moviescenepropertytemplate.h:250]
UE4Editor_MovieSceneTracks!TBlendableTokenStack<float>::ComputeAndActuate() [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\moviescene\public\evaluation\blending\moviesceneblendingaccumulator.inl:28]
UE4Editor_MovieScene!FMovieSceneBlendingAccumulator::Apply() [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\moviescene\private\evaluation\blending\moviesceneblendingaccumulator.cpp:27]
UE4Editor_MovieScene!FMovieSceneExecutionTokens::Apply() [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\moviescene\private\evaluation\moviesceneexecutiontokens.cpp:78]
UE4Editor_MovieScene!FMovieSceneRootEvaluationTemplateInstance::EvaluateGroup() [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\moviescene\private\evaluation\moviesceneevaluationtemplateinstance.cpp:269]
UE4Editor_MovieScene!FMovieSceneRootEvaluationTemplateInstance::Evaluate() [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\moviescene\private\evaluation\moviesceneevaluationtemplateinstance.cpp:254]
UE4Editor_Sequencer!FSequencer::EvaluateInternal() [d:\build\++ue4+release-4.18+compile\sync\engine\source\editor\sequencer\private\sequencer.cpp:1786]
UE4Editor_Sequencer!FSequencer::Tick() [d:\build\++ue4+release-4.18+compile\sync\engine\source\editor\sequencer\private\sequencer.cpp:468]
UE4Editor_UnrealEd!FTickableEditorObject::TickObjects() [d:\build\++ue4+release-4.18+compile\sync\engine\source\editor\unrealed\public\tickableeditorobject.h:21]
UE4Editor_UnrealEd!UEditorEngine::Tick() [d:\build\++ue4+release-4.18+compile\sync\engine\source\editor\unrealed\private\editorengine.cpp:1433]
UE4Editor_UnrealEd!UUnrealEdEngine::Tick() [d:\build\++ue4+release-4.18+compile\sync\engine\source\editor\unrealed\private\unrealedengine.cpp:396]
UE4Editor!FEngineLoop::Tick() [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\launch\private\launchengineloop.cpp:3296]
UE4Editor!GuardedMain() [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\launch\private\launch.cpp:166]
UE4Editor!GuardedMainWrapper() [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:134]
UE4Editor!WinMain() [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:210]
UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:253]
kernel32
ntdll