Unreal Engine Issues
Unreal Engine Issues
Crash trying to add a key to a curve table in curve view
UE - Gameplay - Nov 3, 2016Crash occurs when attempting to add a key to a curve in the curve table. This doesn't occur when adding a key to a regular curve. ...
Crash when launching dx12 for the first time with Rect Lights
UE - Rendering - Architecture - RHI - Mar 20, 2019Users on the forums are hitting a crash on their initial launch of the engine into dx12. There is currently a workaround to load into the project with dx11 first, compile shaders, then youre fine to ...
Crash in UEditorEngine::ToggleBetweenPIEandSIE when ejecting from Play In Editor while starting a multiplayer session
Tools - Aug 24, 2020UE4Editor crashes when we eject from a Play In Editor session while starting a multiplayer session. ...
Action RPG- ARPG CharacterBase::GetHealth() Null Crash
Docs - Samples - May 16, 2019In Action RPG Sample, NPC Blueprints "NPC_Goblin_Level_01,02.03" cannot be Duplicated. Crash results lead to ARPGCharacterBase.Cpp Get Health function. float ARPGCharacterBase::GetHealth() const ...
Crash When Opening a DataTable Based Off a Struct With a Timecode Variable
UE - Anim - Sequencer - Mar 30, 2020When a datatable is based off a struct with a timecode variable it will crash when opening. Found in 4.24.3 CL#11590370 Reproduced in 4.23.1 CL#9631420, 4.25 Preview 4 CL#12366721, 4.26 CL#12123513 ...
Unreal Editor crash on Datasmith import with VrayBlend Materials
UE - Editor - Content Pipeline - Datasmith - Importer - Jun 16, 2020It seems like VrayBlend materials are crashing the Engine when importing them with Datasmith. This is a regression from 4.24.3 (CL-11590370) where the file imported successfully. This was reported ...
Crash when opening Blueprint after editing ChildActorComponent base class
UE - Gameplay - Components - Feb 7, 2017Defining a ChildActorComponent in code, then setting the component to a blueprint derived from another code class causes the editor to crash when opening the parent blueprint if any changes are made ...
Project packaged on Windows for Linux crashes after exiting on Linux
Tools - Aug 18, 2016I noticed this after packaging multiple samples projects on Windows for Linux and running them on my Linux machine. The project exited cleanly, but there was a crash and callstack generated in the ...
Crash enabling Stochastic Rect Light with Ray Tracing
UE - Graphics Features - Lumen - Oct 13, 2020Enabling Stochastic Rect Lights with Ray Tracing causes the project to crash. Reported and tested in version 4.26.0(CL 14419252). Tested and not found in version 4.25.3(CL 13942748). ...
Material Editor Assertion Crash When Collapsing Material Attributes
UE - Rendering - Architecture - Materials - Jul 14, 2022Collapsed material attribute nodes cause an editor assertion crash in the material editor when viewed or opened. Assertion failed: (Index >= 0) & (Index < ArrayNum): Array index out of bounds: 0 fr ...