Unreal Engine Issues
Unreal Engine Issues
Dragging and dropping new materials into Dynamic Material Instance slot results in crash
UE - Rendering Architecture - Materials - Sep 11, 2020Crash when copying and making a button widget the root of a second widget blueprint
UE - Editor - UI Systems - Apr 13, 2021Pasting a button element from one Widget Blueprint into a second Widget Blueprint that has had its root Canvas Panel deleted results in a crash. The crash only occurs when the Canvas Panel is delete ...
Crash after multiple undo-redo of paths' creation.
TM - Tools - Feb 14, 2025When saving an emitter in the Niagara system as an asset, it crashes when overwriting an existing emitter.
UE - Niagara - Mar 30, 2022Crash sorting array elements in Project Settings
Tools - Sep 15, 2017Crash occurs when the user sorts array elements in the Project Settings. This seems to occur with any arrays in the Project Settings, but I haven't been able to reproduce the crash outside of them. ...
Crash when searching for a string with the same name as the collection
UE - Editor - Content Pipeline - Content Browser - Feb 28, 2025The editor crashes when creating a local collection of the same name by typing certain characters in the search box of the content browser. This does not reproduce in UE5.4 and is a regression in UE ...
Copy, Paste and Hover a Material Layer Blend Node causes Crash
Tools - Jun 25, 2015In the Material Editor, if all Live Previews are turned off, copying and pasting a Material Layer Blend Node will crash when the tool tip is being processed. Also Reproduced in Main Promotable-CL-2 ...
HLOD dialog is reporting a fatal error while trying to build HLODs
UE - World Creation - Worldbuilding Tools - HLOD - May 11, 2022Does not reproduce in //UE5/Main CL 20075312 HLOD dialog is reporting a fatal error while trying to build HLODs in a level with a particular blueprint the user created. HLODs build with out the blu ...
Crash when opening a sequencer that has an actor with spring controller registered and play in editor
UE - Anim - Runtime - Mar 4, 2021During end play in editor, there is an access violation referencing WorldSettings from SpringBone. In the attached project, the character registered in the sequencer uses the "SpringController" no ...
Crash editor after editing property of TwoBoneIK node
UE - Anim - Rigging - Sep 22, 2021Crashes after editing properties of TwoBoneIK node. If following the reproduction steps, the binding of NodePropertyDelegateHandle will not be removed, causing illegal access on the second editing. ...