[CrashReport] UE4Editor_Engine!FStaticMeshSceneProxy::SetIndexSource() [staticmeshrender.cpp:679]

  675       	if ( bRequiresAdjacencyInformation )
  676       	{
  677       		check( LODModel.bHasAdjacencyInfo );
  678 ***** 		OutElement.IndexBuffer = &LODModel.AdjacencyIndexBuffer;
  679       		OutMeshElement.Type = PT_12_ControlPointPatchList;
  680       		OutElement.FirstIndex *= 4;
  681       	}
  682       }

Assertion failed: LODModel.bHasAdjacencyInfo [File:D:\Build\++UE4\Sync\Engine\Source\Runtime\Engine\Private\StaticMeshRender.cpp] [Line: 678]

UE4Editor_Engine!FStaticMeshSceneProxy::SetIndexSource() [staticmeshrender.cpp:679]
UE4Editor_Engine!FStaticMeshSceneProxy::GetMeshElement() [staticmeshrender.cpp:424]
UE4Editor_Engine!FStaticMeshSceneProxy::GetDynamicMeshElements() [staticmeshrender.cpp:1060]
UE4Editor_Renderer!FSceneRenderer::GatherDynamicMeshElements() [scenevisibility.cpp:2312]
UE4Editor_Renderer!FSceneRenderer::ComputeViewVisibility() [scenevisibility.cpp:3073]
UE4Editor_Renderer!FDeferredShadingSceneRenderer::InitViews() [scenevisibility.cpp:3324]
UE4Editor_Renderer!FDeferredShadingSceneRenderer::Render() [deferredshadingrenderer.cpp:571]
UE4Editor_Renderer!RenderViewFamily_RenderThread() [scenerendering.cpp:2854]
UE4Editor_Renderer!TGraphTask<`FRendererModule::BeginRenderingViewFamily'::`33'::EURCMacro_FDrawSceneCommand>::ExecuteTask() [taskgraphinterfaces.h:829]
UE4Editor_Core!FNamedTaskThread::ProcessTasksNamedThread() [taskgraph.cpp:665]
UE4Editor_Core!FNamedTaskThread::ProcessTasksUntilQuit() [taskgraph.cpp:574]
UE4Editor_RenderCore!RenderingThreadMain() [renderingthread.cpp:333]
UE4Editor_RenderCore!FRenderingThread::Run() [renderingthread.cpp:467]
UE4Editor_Core!FRunnableThreadWin::Run() [windowsrunnablethread.cpp:76]