Crash when testing a sound in UMG that has been added to an audio track for an animation

MachineId:EA8CDCD54E3691A62F8838A5364B34C6
EpicAccountId:ccbf39de6f9245c0aa23f8e57cc8a566

Access violation - code c0000005 (first/second chance not available)

UE4Editor_MovieSceneTracks!FMovieSceneAudioTrackInstance::GetAudioComponent() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\moviescenetracks\private\trackinstances\moviesceneaudiotrackinstance.cpp:230]
UE4Editor_MovieSceneTracks!FMovieSceneAudioTrackInstance::Update() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\moviescenetracks\private\trackinstances\moviesceneaudiotrackinstance.cpp:64]
UE4Editor_MovieScene!FMovieSceneSequenceInstance::UpdatePassSingle() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\moviescene\private\moviescenesequenceinstance.cpp:240]
UE4Editor_MovieScene!FMovieSceneSequenceInstance::Update() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\moviescene\private\moviescenesequenceinstance.cpp:184]
UE4Editor_Sequencer!FSequencer::SetGlobalTimeDirectly() [d:\build\++ue4+release-4.12+compile\sync\engine\source\editor\sequencer\private\sequencer.cpp:1316]
UE4Editor_Sequencer!FSequencer::SetGlobalTime() [d:\build\++ue4+release-4.12+compile\sync\engine\source\editor\sequencer\private\sequencer.cpp:1291]
UE4Editor_Sequencer!FSequencer::SetGlobalTimeLooped() [d:\build\++ue4+release-4.12+compile\sync\engine\source\editor\sequencer\private\sequencer.cpp:2384]
UE4Editor_Sequencer!FSequencer::Tick() [d:\build\++ue4+release-4.12+compile\sync\engine\source\editor\sequencer\private\sequencer.cpp:394]
UE4Editor_UnrealEd!FTickableEditorObject::TickObjects() [d:\build\++ue4+release-4.12+compile\sync\engine\source\editor\unrealed\public\tickableeditorobject.h:15]
UE4Editor_UnrealEd!UEditorEngine::Tick() [d:\build\++ue4+release-4.12+compile\sync\engine\source\editor\unrealed\private\editorengine.cpp:1118]
UE4Editor_UnrealEd!UUnrealEdEngine::Tick() [d:\build\++ue4+release-4.12+compile\sync\engine\source\editor\unrealed\private\unrealedengine.cpp:368]
UE4Editor!FEngineLoop::Tick() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\launch\private\launchengineloop.cpp:2774]
UE4Editor!GuardedMain() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\launch\private\launch.cpp:148]
UE4Editor!GuardedMainWrapper() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:200]
UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:264]
kernel32
ntdll