Crash when unloading Lighting Scenario Streaming Level

MachineId:7156C35640F86204E61B8383F45DEE17
EpicAccountId:e8c7fa630b6440f69a25a2c64d6c482c

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

UE4Editor_Engine!TOctree<TVolumeLightingSample<3>,FLightVolumeOctreeSemantics>::TConstElementBoxIterator<TInlineAllocator<99,FDefaultAllocator> >::ProcessChildren() [d:\build\++ue4+release-4.14+compile\sync\engine\source\runtime\engine\public\genericoctree.h:613]
UE4Editor_Engine!FPrecomputedLightVolume::InterpolateIncidentRadiancePoint() [d:\build\++ue4+release-4.14+compile\sync\engine\source\runtime\engine\private\precomputedlightvolume.cpp:436]
UE4Editor_Renderer!FIndirectLightingCache::InterpolatePoint() [d:\build\++ue4+release-4.14+compile\sync\engine\source\runtime\renderer\private\indirectlightingcache.cpp:915]
UE4Editor_Renderer!FIndirectLightingCache::UpdateBlock() [d:\build\++ue4+release-4.14+compile\sync\engine\source\runtime\renderer\private\indirectlightingcache.cpp:788]
UE4Editor_Renderer!FIndirectLightingCache::UpdateBlocks() [d:\build\++ue4+release-4.14+compile\sync\engine\source\runtime\renderer\private\indirectlightingcache.cpp:725]
UE4Editor_Renderer!FIndirectLightingCache::FinalizeUpdateInternal_RenderThread() [d:\build\++ue4+release-4.14+compile\sync\engine\source\runtime\renderer\private\indirectlightingcache.cpp:561]
UE4Editor_Renderer!FIndirectLightingCache::UpdateCache() [d:\build\++ue4+release-4.14+compile\sync\engine\source\runtime\renderer\private\indirectlightingcache.cpp:441]
UE4Editor_Renderer!FSceneRenderer::PostVisibilityFrameSetup() [d:\build\++ue4+release-4.14+compile\sync\engine\source\runtime\renderer\private\scenevisibility.cpp:2633]
UE4Editor_Renderer!FDeferredShadingSceneRenderer::InitViews() [d:\build\++ue4+release-4.14+compile\sync\engine\source\runtime\renderer\private\scenevisibility.cpp:2826]
UE4Editor_Renderer!FDeferredShadingSceneRenderer::Render() [d:\build\++ue4+release-4.14+compile\sync\engine\source\runtime\renderer\private\deferredshadingrenderer.cpp:571]
UE4Editor_Renderer!RenderViewFamily_RenderThread() [d:\build\++ue4+release-4.14+compile\sync\engine\source\runtime\renderer\private\scenerendering.cpp:1633]
UE4Editor_Renderer!TGraphTask<`FRendererModule::BeginRenderingViewFamily'::`21'::EURCMacro_FDrawSceneCommand>::ExecuteTask() [d:\build\++ue4+release-4.14+compile\sync\engine\source\runtime\core\public\async\taskgraphinterfaces.h:868]
UE4Editor_Core!FNamedTaskThread::ProcessTasksNamedThread() [d:\build\++ue4+release-4.14+compile\sync\engine\source\runtime\core\private\async\taskgraph.cpp:932]
UE4Editor_Core!FNamedTaskThread::ProcessTasksUntilQuit() [d:\build\++ue4+release-4.14+compile\sync\engine\source\runtime\core\private\async\taskgraph.cpp:679]
UE4Editor_RenderCore!RenderingThreadMain() [d:\build\++ue4+release-4.14+compile\sync\engine\source\runtime\rendercore\private\renderingthread.cpp:320]
UE4Editor_RenderCore!FRenderingThread::Run() [d:\build\++ue4+release-4.14+compile\sync\engine\source\runtime\rendercore\private\renderingthread.cpp:454]
UE4Editor_Core!FRunnableThreadWin::Run() [d:\build\++ue4+release-4.14+compile\sync\engine\source\runtime\core\private\windows\windowsrunnablethread.cpp:74]