Description

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Similar issue crashing in landscape file: UE-52521
Logged this issue separately but wanted to provide that information.

Steps to Reproduce

Currently no known steps to reproduce

Callstack
Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:D:\Build\++UE4+Release-4.18+Compile\Sync\Engine\Source\Runtime\Core\Public\Containers/Array.h] [Line: 610] Array index out of bounds: 0 from an array of size 0

UE4Editor_Engine!FHierarchicalStaticMeshSceneProxy::GetDynamicMeshElements() hierarchicalinstancedstaticmesh.cpp:1431 
UE4Editor_Renderer!FSceneRenderer::GatherDynamicMeshElements() scenevisibility.cpp:1973 
UE4Editor_Renderer!FSceneRenderer::ComputeViewVisibility() scenevisibility.cpp:2634 
UE4Editor_Renderer!FDeferredShadingSceneRenderer::InitViews() scenevisibility.cpp:2875 
UE4Editor_Renderer!FDeferredShadingSceneRenderer::Render() deferredshadingrenderer.cpp:579 
UE4Editor_Renderer!RenderViewFamily_RenderThread() scenerendering.cpp:2081 
UE4Editor_Renderer!TGraphTask<`FRendererModule::BeginRenderingViewFamily'::`26'::EURCMacro_FDrawSceneCommand>::ExecuteTask() taskgraphinterfaces.h:784 
UE4Editor_Core!FNamedTaskThread::ProcessTasksNamedThread() taskgraph.cpp:651 
UE4Editor_Core!FNamedTaskThread::ProcessTasksUntilQuit() taskgraph.cpp:560 
UE4Editor_RenderCore!RenderingThreadMain() renderingthread.cpp:327 
UE4Editor_RenderCore!FRenderingThread::Run() renderingthread.cpp:461 
UE4Editor_Core!FRunnableThreadWin::Run() windowsrunnablethread.cpp:76 

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Fixed
ComponentRendering
Affects Versions4.164.174.184.20
Target Fix4.21
Fix Commit4439605
Main Commit4450599
Release Commit4439605
CreatedJan 10, 2018
ResolvedOct 9, 2018
UpdatedOct 11, 2018