Unreal Engine Issues
Unreal Engine Issues
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 on debugging a minimized Blueprint (access violation in SWatchTreeWidgetItem)
UE - Gameplay - Blueprint Editor - Mar 27, 2019Debugging a blueprint with a breakpoint while the Blueprint Editor window is minimized causes the editor to crash. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5531554), 4.23 (CL - 5586947) ...
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 ...
IOS Preview on MacOS crashed when open postprocess material that uses stencil
UE - Platform - Mobile - May 3, 2021IOS Preview on MacOS crashed when open postprocess material that uses stencil ...
Scratch Pad outputting Audio Spectrum triggers a crash
UE - Niagara - Jun 14, 2023This is a regression. Tested in //UE5/Release-5.1 CL23901901 The editor crashes after playing in editor when the level contains a niagara system with a scratch pad outputing audio spectrum. ...
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 ...