Unreal Engine Issues

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 ...

Crash when changing to Mesh LOD Coloration view mode with Paper2D sprites

Crash in the editor when changing the view mode. This occurs because of a nullptr dereference of "InMaterialInterface" in the FDebugViewModeMaterialProxy constructor (Line 32 in DebugViewModeMateri ...

Crash when importing some .skp files on MacOS

Light baking of a ton of static meshes causes Swarm to crash.

Light baking of a ton of static meshes causes Swarm to crash due to "Index was our of range". I confirmed that it can be reproduced with the sample project they sent us/ The error log I got is... ...

[CrashReport] Crash on Mac - UE4Editor-SlateCore.dylib!SWindow::IsVisible()

This is a common crash on Mac in the 4.16 release, and has occurred with low frequency since at least 4.11. Users have not provided any descriptions, so additional information is currently unknown. ...

Missing libomp140 DLL causing crashes in Hair Card Generator plugin

EA Motive has run into a crash when using the hair card generator plugin. A missing DLL is preventing them from creating hair cards according to the initial investigation from their engineers. More ...