Unreal Engine Issues
Unreal Engine Issues
Expand Node crashes engine
UE - Gameplay - Blueprint - Dec 4, 2014The engine crashes when after right-click > Expand Node on any composite node. Crash Report: [Link Removed] ...
Editor crashes when child blueprint uses billboard in construction script
UE - Gameplay - Blueprint - Jun 24, 2015The editor is crashing when a child blueprint uses a billboard in the construction script after hovering over 'apply instance changes to blueprint' from the details panel. ...
Crash Applying Multiple Anim Modifiers
UE - Anim - Runtime - Sep 5, 2021Fatal error: [Link Removed] [Line: 2516] Fatal error: [Link Removed] [Line: 2516]Objects have the same fully qualified name but different paths. New Object: MotionExtractorModifier /Game/Characters/ ...
Newly created Groom assets crash when opened after restarting the editor
UE - Graphics Features - Jul 25, 2022Adding parent constraint to control rig in shot crashes the editor
UE - Anim - Anim in Engine - Mar 10, 2023Adding a constraint to a control rig in a subsequence will crash the editor. ...
Editor crashes when a floating window PIE command is issued repeatedly
Tools - Oct 4, 2016After assigning Keyboard Shortcut for New Editor Window (PIE) as "F3" and returning to Viewport and selecting "F3" to open New Editor Window (PIE), continuing to repeatedly press F3 results in the e ...
Crash when using Get Start/End Frame (Seconds) node with MovieSceneSection have no opened bound
UE - Anim - Sequencer - Aug 14, 2019If use Get Start/End Frame (Seconds) with GetStartFrame has a section isBounded is False, eg 3DTransformSection, editor will be crashed. Specifically, a following code occur crash. inline FFrame ...
Crash when changing details of an animation in an Animation Composite
UE - Anim - Jun 7, 2022This is a regression tested in //UE4/Release-4.27 CL#18319896 Fatal error is thrown and the Editor crashes when changing details of an animation in an Animation Composite. ...
Editor crash when modifying Skeletal Animation Section of an unsaved additive animation
UE - Anim - Sequencer - Jan 27, 2021Unsaved animations can cause the editor to crash if they are in a sequence, if the sequence evaluates them after an edit. ...
Copy-pasting an actor property that is a set of strings adds extra quotes and escapes
UE - Editor - Workflow Systems - Aug 24, 2025Copy-pasting an actor property that is a set of strings adds extra quotes and escapes. The licensee has reported: The problem doesn't happen for example for properties of types set of integers, nor ...