The Unreal Editor will crash whenever you try and build lighting.
Crash does not occur in:
4.14.2 - 3241561
Result: The editor will crash.
UE4Editor-MetalRHI.dylib!FMetalRenderPass::RestartRenderPass() UE4Editor-MetalRHI.dylib!FMetalContext::PrepareToDraw() UE4Editor-MetalRHI.dylib!FMetalRHICommandContext::RHIEndDrawPrimitiveUP() UE4Editor-Renderer.dylib!DrawPrimitiveUP() UE4Editor-Renderer.dylib!FMeshDrawingPolicy::DrawMesh() UE4Editor-Renderer.dylib!void FDrawBasePassDynamicMeshAction::Process<FUniformLightMapPolicy>() UE4Editor-Renderer.dylib!void ProcessBasePassMesh<FDrawBasePassDynamicMeshAction>() UE4Editor-Renderer.dylib!FBasePassOpaqueDrawingPolicyFactory::DrawDynamicMesh() UE4Editor-Renderer.dylib!FRendererModule::DrawTileMesh() UE4Editor-Engine.dylib!FTileRenderer::DrawTile() UE4Editor-Engine.dylib!TEnqueueUniqueRenderCommandType<FCanvasTileRendererItem::Render_GameThread(FCanvas const*)::DrawTileCommandName, FCanvasTileRendererItem::Render_GameThread(FCanvas const*)::$_0>::DoTask() UE4Editor-Engine.dylib!TGraphTask<TEnqueueUniqueRenderCommandType<FCanvasTileRendererItem::Render_GameThread(FCanvas const*)::DrawTileCommandName, FCanvasTileRendererItem::Render_GameThread(FCanvas const*)::$_0> >::ExecuteTask() UE4Editor-Core.dylib!FNamedTaskThread::ProcessTasksNamedThread() UE4Editor-Core.dylib!FNamedTaskThread::ProcessTasksUntilQuit() UE4Editor-Core.dylib!FTaskGraphImplementation::ProcessThreadUntilRequestReturn() UE4Editor-RenderCore.dylib!RenderingThreadMain() UE4Editor-RenderCore.dylib!FRenderingThread::Run() UE4Editor-Core.dylib!FRunnableThreadPThread::Run() UE4Editor-Core.dylib!FRunnableThreadPThread::_ThreadProc() libsystem_pthread.dylib!<Unknown> libsystem_pthread.dylib!<Unknown> libsystem_pthread.dylib!<Unknown>
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-40200 in the post.
| 1 |
| Component | UE - Graphics Features |
|---|---|
| Affects Versions | 4.15 |
| Target Fix | 4.15 |
| Created | Jan 4, 2017 |
|---|---|
| Resolved | Jan 11, 2017 |
| Updated | Apr 27, 2018 |