Unreal Engine Issues

LIVE: EDITOR: MATERIALS: CRASH: Setting the MipValueMode for MipLevel or MipBias to 4 or higher will crash the editor

BRANCH: MAIN CHANGELIST: 2322258 PLATFORM: Windows DESCRIPTION: When using a texture sample with the MipValueMode to MipLevel or MipBias with a value of 4 or higher will cause a crash. ...

Packaged ThirdPerson template with "start in vr" enabled packaged and launched with "-nohmd" crashes

The callstack is not XR-specific, it's just the engine trying to secure the audio device on startup, windows failing to return one, and the app not being able to continue safely. The crash does not ...

Crash when Building Lighting on Macs with Lighting Scenarios

A crash occurs when you building lighting with a project using Lighting Scenarios on a Mac. I attempted to reproduce the issue using a new blank project, but was unable to get the crash to occur. T ...

CRASH: Random Crashes: Access violation - code c0000005

Crash Report: [Link Removed] UE4Editor_CoreUObject! UPackage::SavePackage() + 23952 bytes savepackage.cpp:3305 UE4Editor_UnrealEd! UEditorEngine::SavePackage() + 1065 bytes editor.cpp:4368 UE4Edi ...

Crash when Dragging Skeletal Mesh with Apex Clothing into Level

A crash occurs when you add/drag a skeletal mesh with Apex clothing into the scene. The user reporting the issue managed to find where the crash occurs and added a comment for assistance where to lo ...

Crash when importing Alembic files as Skeletal Mesh

Crash Occurs When Importing a .ABC File as Skeletal Mesh Into Project That Already Contains Asset's Materials

Editor crashes when importing an .abc file as a skeletal mesh and the assets materials already exist inside the project. -Materials need exist inside project before import -If the .abc file is imp ...

Splitting Transform in Collapsed Graph Crashes UE4

Splitting Transform in Collapsed Graph Crashes UE4. When this is done the editor crashes and that actor can no longer be opened without causing a crash. ...

Opening Project with MSI Afterburner/Riva Tuner running causes GPU Crashed or D3D Device Removed crash

When creating or opening any project from Live UE5 binary, the editor will crash.   Fatal error: [File:D:\build\++UE5\Sync\Engine\Source\Runtime\D3D12RHI\Private\D3D12Util.cpp] [Line: 859] hr faile ...

DirectX Tesselation Crash

Per UDN Licensee: I have 2 crash repro when enabling DirectX12, both linked to tesselation and still present in 4.18 stock engine and easy to reproduce. Crash 1 -Start editor with DirectX12 -Cre ...