Top 10 ensure in 4.15.
There was a fix submitted for [Link Removed] which was verified as following those steps to reproduce no longer causes this.
random occurrence while changing between landscape more and other mode while having a landscape actor in a map with material applied to it
Error Message Ensure condition failed: false [File:D:\Build\++UE4+Release-4.15+Compile\Sync\Engine\Source\Runtime\Engine\Private\PrimitiveSceneProxy.cpp] [Line: 599] PrimitiveComponent tried to render with Material MaterialInstanceDynamic_58, which was not present in the component's GetUsedMaterials results Owner: Landscape_17, Resource: Landscape Call Stack UE4Editor_Engine!FPrimitiveSceneProxy::VerifyUsedMaterial() primitivesceneproxy.cpp:599 UE4Editor_Engine!FMeshElementCollector::AddMesh() scenemanagement.cpp:233 UE4Editor_Landscape!FLandscapeComponentSceneProxy::GetDynamicMeshElements() landscaperender.cpp:1863 UE4Editor_Renderer!FSceneRenderer::GatherDynamicMeshElements() scenevisibility.cpp:1958 UE4Editor_Renderer!FSceneRenderer::ComputeViewVisibility() scenevisibility.cpp:2617 UE4Editor_Renderer!FDeferredShadingSceneRenderer::InitViews() scenevisibility.cpp:2860 UE4Editor_Renderer!FDeferredShadingSceneRenderer::Render() deferredshadingrenderer.cpp:589 UE4Editor_Renderer!RenderViewFamily_RenderThread() scenerendering.cpp:1728 UE4Editor_Renderer!TGraphTask<`FRendererModule::BeginRenderingViewFamily'::`21'::EURCMacro_FDrawSceneCommand>::ExecuteTask() taskgraphinterfaces.h:883 UE4Editor_Core!FNamedTaskThread::ProcessTasksNamedThread() taskgraph.cpp:954 UE4Editor_Core!FNamedTaskThread::ProcessTasksUntilQuit() taskgraph.cpp:701 UE4Editor_RenderCore!RenderingThreadMain() renderingthread.cpp:325 UE4Editor_RenderCore!FRenderingThread::Run() renderingthread.cpp:459 UE4Editor_Core!FRunnableThreadWin::Run() windowsrunnablethread.cpp:76
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-42244 in the post.
| 0 |
| Component | UE - LD & Modeling - Terrain - Landscape |
|---|---|
| Affects Versions | 4.15 |
| Target Fix | 4.16 |
| Fix Commit | 3353754 |
|---|---|
| Main Commit | 3499771 |
| Created | Feb 22, 2017 |
|---|---|
| Resolved | May 25, 2017 |
| Updated | Apr 27, 2018 |