Unreal Engine Issues
Unreal Engine Issues
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 ...
In UE5.5(final), when adding plugin from an older version of Unreal to a BP project, we are informed that the Engine Modules are out of date, and cannot be compiled while the engine is running. Please build through your IDE.
UE - Foundation - Cpp Tools - Nov 19, 2024In UE5.5(final), when adding plugin from an older version of Unreal to a BP project, we are informed that the "Engine Modules are out of date, and cannot be compiled while the engine is running. Ple ...
Crash when incorrectly calling the parent constructor
UE - Foundation - Core - Mar 23, 2016Crash when incorrectly calling the parent constructor ...
Crash changing variable type from Object Reference to Actor Soft Object Reference
UE - Gameplay - Blueprint - Oct 3, 2017REGRESSION: No, this occurs as far back as 4.16. Crash occurs when the user changes a variable type from Object Reference to Actor Soft Object Reference. ...
[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 ...