Unreal Engine Issues
Unreal Engine Issues
Fixing Issue in Niagara stack across particle and system stages crashes the editor.
UE - Niagara - Jan 18, 2024The Update Persistent Audio module has a dependency on a Play Persistent Audio module. When there are two modules in different overview nodes, the automatic fix up can put the Play Persistent Audio ...
Crash when duplicating multiple components at once
UE - Gameplay - Blueprint - Apr 4, 2019When duplicating multiple components at once it appears to crash the editor. Regression: Yes, this appears to be working in the previous version of the engine (4.21.2-4753647) ...
Crash on bake pose when skeleton contains a virtual bone
OLD - Anim - Jan 22, 2018When a skeleton contains a virtual bone, performing Bake Pose can crash the editor. ...
Crash when load the levelinstance what is set "LevelBehavior=Standalone" in the stanadalone game
UE - World Creation - Worldbuilding Tools - Level Instances - Jul 16, 2024A crash occurs when LevelInstance with LevelBehavior set to "Standalone" is loaded in a standalone game. Specifically, when LevelInstance is deleted by moving outside the loading range of the worldp ...
Editor can crash while performing a Hot Reload after a custom UClass class is added to the project
UE - Foundation - Cpp Tools - Hot Reload - Mar 14, 2019Performing a Hot Reload after creating a custom UClass class can result in a crash. This was reported on Linux, but reproduced on Windows. Additional testing will be done on Linux to confirm the is ...
Crash in FUniformExpressionSet::FillUniformBuffer trying access deleted UTextureCollection
UE - Rendering - Architecture - May 30, 2025Crash in FUniformExpressionSet::FillUniformBuffer trying access deleted UTextureCollection (Experimental in 5.6). The licensee describes their crash, their analysis, and a proposed fix: This crash ...
[CrashReporter] UE4Editor-Persona!SAnimationEditorViewportTabBody::GetDisplayString() [SAnimationEditorViewport.cpp:227]
OLD - Anim - Sep 26, 2019Generated from CrashReporter ...
Crash after multiple undo-redo of paths' creation.
TM - Tools - Feb 14, 2025Crash when saving a World Partition map that contains a PCG Volume
UE - World Creation - Procedural Tools - Aug 15, 2023This is a regression. Tested in //UE5/Release-5.2 CL26001984 The editor crashes with an assertion after saving a World Partition enabled level with a landscape that contains a PCG Volume. ...
Importing fbx onto an empty camera animation sequence can crash the editor
UE - Anim - Sequencer - Jan 27, 2022Importing an FBX into an empty camera animation sequence crashes the editor. The import seems to fail when trying to add a camera cut track. Exporting an fbx from a camera animation sequence, deleti ...