Unreal Engine Issues

Auto Reimport crash with some file paths

Auto Reimport source paths can cause a crash with the editor. I couldn't narrow down in my limited testing what would cause the crash vs what would not with these file paths. The one in my attached ...

Using Paint Verticies Single Color Node More Than Once Crashes Dev Build

[UPDATED INFO] After some testing I discovered that using the "Paint Vertices Single Color node" on event tick is what is causing the issue. Using this node with event begin play will not crash. Th ...

Crash When Raycasting Against Mesh With Multiple Materials

When using a raycast trace against a blueprint that has a child component with multiple materials will cause the editor to crash after a few times. This will not be an instant crash, but requires th ...

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 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. ...