Unreal Engine Issues
Unreal Engine Issues
Ensures in ChaosExamples_fracture map in ChaosDestructionDemo
UE - Simulation - Physics - Destruction - Jun 4, 2019Ensures trigger when playing in the ChaosExamples_fracture map in the ChaosDestructionDemo project. The ensures seem to happen during different parts. A couple occurrences were when I triggered th ...
Lyra: When a bot fails to fire their weapon, all bots play their weapon fire fail animation montage
UE - Gameplay - Jun 12, 2024UDN reported: Lyra bots will sometimes play their weapon fire failure anim montage "randomly". The reporting licensee found that this happens when another bot in the level is reloading. The gamepla ...
Crash when Deleting Variable from Blueprint Struct
UE - Gameplay - May 23, 2019The Editor will crash when attempting to delete a variable from a Blueprint struct. This crash does not seem to happen if save the map with the actor in it. ...
Dragging more than one Texture into the Material Editor causes a crash
UE - Graphics Features - Mar 11, 2020Importing two or more Textures into the Material Editor results in a crash. This is a regression from 4.24.3 (CL-11590370) as well. This was reported and tested in 4.25 Preview 2 (CL-12055273) and ...
Launch on fails during staging with a SafeCopyFile Exception for MfMedia.uplugin
Tools - Jan 10, 2017Was able to repro this on machines with and without machines set up for Xbone testing. ...
Editor crash when compiling blueprint that contains an implemented interface after removing return node
UE - Gameplay - Blueprint - Apr 8, 2015If a return node is removed from an interface that has been implemented in a blueprint, compiling the blueprint will cause a crash. Crash Reporter: [Link Removed] Frequency: 2/2 ...
Ensure triggered in FBoundsCacheElement::GetValue when adding ISM instances in Construction Script
UE - AI - Oct 8, 2025An ensure is triggered in FBoundsCacheElement::GetValue when adding instances to an InstancedStaticMeshComponent inside a Blueprint’s Construction Script. This occurs when the ISM component is navig ...
Actor in Map in Struct Causes Crash When Changed
UE - Gameplay - Blueprint - Mar 8, 2018User submitted bug. Editor will crash after changing key or value in Map. ...
Subway Sequencer crashes when opening shot0010_001
UE - Anim - Sequencer - Dec 13, 2019Opening specific files inside of the "Sequencer" doc sample project results in engine crash. ...
[Sound Cue][Open World] - Crash when creating a Sound cue from an Ambient Sound actor on an Open World map
UE - Engine Scaling - Streaming - OFPA - Apr 18, 2022When trying to recreate an issue that resulted in [Link Removed] Closed , I came across this call stack. Regression testi ...