Unreal Engine Issues
Unreal Engine Issues
[AI] Destroying an actor while using pooled actors with MassActorSpawnerSubsystem causes a nullptr exception crash
UE - AI - Mass - Mar 19, 2023If an actor that is used in the pooled actor list of UMassActorSpawnerSubsystem is destroyed, it causes a nullptr exception in UMassActorSpawnerSubsystem::SpawnOrRetrieveFromPool. The subsystem atte ...
Editor Crashes When Reloading Textures in Debug Tools
UE - Editor - UI Systems - Slate - Apr 11, 2016Crash occurs while Playing in Editor and debugging by reloading textures. Occurs for both Mac and PC. Regression: Does not occur in UE4.10 testing on Match 3 ...
Crash when attempting to connect a custom Niagara parameter struct to a node when the struct contains an array
UE - Niagara - Jun 22, 2020Crash when attempting to connect a custom Niagara parameter struct to a node when the struct contains an array ...
Crash when capturing attribute spreadsheet of Niagara GPU Particle with raytracing enabled
UE - Niagara - Jul 8, 2021Also, NiagaraDebugger crashes the moment I enable GPU Particle Readback. ...
A WaterBody blueprint class with an added component will not compile if Blueprint Nativization is enabled
UE - Graphics Tools - Terrain - Water - Nov 23, 2021This is Not a regression. Tested in: //UE4/Release-4.26.2 CL15973114 Binary - Reproduced //UE4/Release-4.27.1 CL17735300 Binary - Reproduced When adding a component to a Water Body actor it should ...
Adding SmartObjectZoneAnnotationComponent to a blueprint actor causes a crash when building the package
UE - AI - SmartObject - Jan 30, 2025If placing an actor with SmartObjectZoneAnnotationComponent added to blueprint actor in a level, it will crash when the level open. As a workaround, adding SmartObjectZoneAnnotationComponent to the ...
Landscape can be added as a source in take recorder
UE - Anim - Sequencer - Jan 25, 2021Landscapes should not be able to be animated in sequences, and should not appear as options for sources in take recorder. ...
Crash entering PIE without Magic Leap SDK referencing delayhlp.cpp:323
UE - Platform - XR - Jan 31, 2019Editor crash when PIEing without ML SDK installed on machine. This did not occur at the same CL on a P4 build. This did not occur on a machine with the ML SDK installed. Does not occur in //UE4/Re ...
Setting a Niagara Bool parameter during runtime causes ensure and the parameter to not be read properly
UE - Niagara - Jun 22, 2020Setting a Niagara Bool parameter during runtime causes ensure ...
Crash When Renaming a Duplicated Collapsed Node Graph With a Period in the Name
UE - Gameplay - Blueprint - Feb 3, 2017A crash is occurring if you collapse a node and name the collapsed graph something that contains a period. The crash occurs if you copy and paste the collapse graph, and then attempt to rename it. I ...