Modifying FinstancedStruct (Blueprint structs) properties inside another FInstancedStruct triggers an ensure and properties do not get saved.

UE - AI - Dec 16, 2024

There is a bug with Blueprint structs having FInstancedStruct as a property. If you modify the DefaultValues of any property of an FInstancedStruct inside the blueprint struct asset, an ensure will ...

Nested PackedLevel in Duplicated LevelInstance check failure

UE - World Creation - Worldbuilding Tools - Level Instances - Oct 13, 2022

Assert in EditorEngine.cpp after HotReload

UE - Foundation - Core - Jan 27, 2017

This occurred when I tried to repro an ensure and crash the resulted in [Link Removed]. In the crash group on the Crashreport website I noticed that KimK had the same callstack as this one. She wrot ...

Modifying ShooterGame header file for faster compiling causes crash behavior.

UE - Foundation - Core - Jan 11, 2019

Using bFasterWithoutUnity and MinFilesUsingPrecompiledHeaderOverride, on ShooterGame.Build.Cs results in Engine crash. ...

Crash: Corrupt asset/map data is no longer correctly detected and handled

UE - Foundation - Core - Oct 27, 2016

Corrupted data was previously handled gracefully without crashing, but in 4x14 the same data crashes the editor. ...

LevelSequence Editor consumes input, even if the user last focused the Level Viewport

UE - Anim - Sequencer - Nov 27, 2024

LevelSequenceEditor has input priority over the Level viewport and other editor modules even though the Level viewport has been the last one selected. An example would be a cut operation. If you ha ...

Editor crashes on user project when attempting to spawn an actor from a struct within user's project.

UE - Networking - Sep 23, 2015

Editor crashes when attempting to spawn an actor from a struct within user's project. Frequency: 5/5 crashreporter: [Link Removed] ...

Crash opening TM-DistanceFields in editor on Mac

UE - Graphics Features - Jul 5, 2017

QAGame is crashing when opening the TM-DistanceFields map in editor on Mac Crashreporter is not showing up for this crash so no link to CR website is available. Does not occur on Windows. ...

Editor crash when calling SGridPanel::SetRowFill

Tools - Aug 22, 2017

Calling SGridPanel::SetRowFill on an actor's BeginPlay causes the editor to crash with the callstack provided The reporter mentioned SetRowFill uses if() statement where SetColumnFill uses while() ...

Unreal 4.26 Crashes when playtesting with a groom in the scene

UE - Graphics Features - Jan 8, 2021

When you hit play with a groom in the scene, the engine crashes Additional notes: First tried adding it to a skeletal mesh through a character blueprint. Engine crashes. Engine doesn't crash if pla ...