Unreal Engine Issues

Virtual Heightfield Mesh crash using released Vertex Factory

When using VirtualHeightfieldMesh we see intermittent crashes in FDepthPassMeshProcessor::TryAddMeshBatch(). This can happen when FVirtualTextureProducerCollection::CallPendingCallbacks() is called ...

Crash when using VR Mode with Extra Viewports and a Camera Actor

From User: "Normally UE4 has an "Eject" button which is great for live-debugging your app, because you can see everything that's happening in your world, and see the World Outliner in realtime whil ...

Crash when double-clicking landscape editor splines point tangent

When double click splines point tangent, the editor will crash.  This issue related to [Link Removed], it didn't care about double-click case. Workaround: void FEditorViewportClient::ProcessDoubl ...

[CrashReport] Crash related to movie render - UE4Editor_UnrealEd!UEditorEngine::Tick()

This is a common crash occurring for users in the 4.15 and 4.16 releases. It seems related to rendering movies in Sequencer, but additional information is currently unavailable. A log file is attac ...

Crash on Galaxy S7 devices with Mali GPU (SM-G930F / SM-G935F)

Default World Grid Material Crashes on Launch in Forward Rendering Mode

When Launching, the level will crash as long as the world grid material is applied in the scene and needs to be compiled. If you attempt to package the project it will fail with the error "unable to ...

Crash: Direct3DDevice->CreateBuffer failed at D3D11VertexBuffer.cpp with error E_INVALIDARG

This is a common crash affecting users since at least the 4.14 release. It was previously associated with [Link Removed], however that has been marked as fixed. Source Context 221 void Veri ...

glDebugMessageControlKHR in InitDebugContext() causes Zenfone 5 app crashes on launch

Game applications crash on Zenfone 5 once they're launched. This seems to be due to the InitDebugContext(). Chris requested this to be entered for tracking purposes. Chris B: I believe the problem ...

Crash on reimport animation when there is an additive animation track and fbx frame number is different

When an animation sequence has an additive animation track, reimporting a fbx would crash the editor if the new fbx has a different number of frames. ...

Crash on Package When Using Nativizing Animation Blueprint Has AnimGraph Connected with Enum

If an AnimNode connected with Enum and AnimBP is nativized, the package will occur crash. Following settings is solve this issue. [BlueprintNativizationSettings] +ExcludedBlueprintTypes=/Script/En ...