Unreal Engine Issues
Unreal Engine Issues
Datasmith re-import crash - UE4Editor-UnrealEd!UMaterialInstanceConstantFactoryNew::FactoryCreateNew
UE - Editor - Content Pipeline - Datasmith - Exporters - Feb 13, 2019From user:I'm getting repeatable crashes on re-imports after I've re-worked the models a bit in Max. The workaround now is to just delete everything from Unreal and do a fresh import, but as my o ...
Niagara Parameter Collection Overrides aren't working
UE - Niagara - Aug 20, 2020Parameter collection overrides defined in the Niagara system's System Properties do not work. In FNiagaraSystemSimulation::GetParameterCollectionInstance the return value of GetParameterCollectionO ...
Light Functions displayed on Large Translucent Meshes cause rendering errors
UE - Graphics Features - Sep 14, 2015Light Functions are stretching and flickering on large translucent surfaces. Translucents Surface:[Image Removed] Opaque Surface:[Image Removed] ...
Edit shared defaults for multiple blueprints leads to Engine crash.
UE - Gameplay - Blueprint - Jun 20, 2017Changing any value in Edit shared defaults window with multiple blueprint assets leads to Engine crash. This is a regression from 4.16 ...
Crash in ProceduralMeshComponent when building lighting
UE - Graphics Features - May 15, 2015Crash on build in editor with UProceduralMeshComponent 4.8 p2 ...
Linux: UE_ENGINE_DIRECTORY not being set by UBT
UE - Platform - Linux - Mar 27, 2018UBT is not passing UE_ENGINE_DIRECTORY to GForeignEngineDir because in UEBuildTarget.cs IsCurrentPlatform only checks for Windows and Mac. Because GForeignEngineDir is not set, config files and oth ...
Frequent ensure opening meshes on Mac, locks up AMD machines
UE - Graphics Features - Jun 6, 2017REGRESSION No, I was able to reproduce the hard lock in 4.16.1. A frequent ensure occurs when opening static or skeletal meshes on Mac. Doesn't reproduce 100% of the time, but I've gotten it about ...
Crash when copy and paste a Child Actor Component in blueprint.
UE - Gameplay - Blueprint - Nov 14, 2018A crash occurs when copy and paste the ChildActorComponent, only if the template actor has a DefaultSubObject. There is no crash in the case of using Actor (eg. AActor) without a DefaultSubObject as ...
Creating multiple Scalar Parameter nodes with a different values will crash the editor
UE - Rendering Architecture - Materials - Mar 11, 2020This is a regression from 4.24.3 CL 11590370 This was discovered when ad-hoc from home I ran into this by running this set up https://docs.unrealengine.com/en-US/Engine/Rendering/Materials/HowTo/Cle ...
Clicking "Pause on Impact" with in the details of the InterpToMovement component will cause a crash
UE - Gameplay - Blueprint - Apr 30, 2015When checking the "Pause on Impact" check box within the details panel for the InterpToMovement component, the editor crashes ...