Struct crashes when switching variable types while the default values are being shown

Tools - Jan 11, 2016

If the user switches between two variable types in a struct while the default values are being shown then the editor will crash ...

Crash when placing a native UserWidget in a panel within another UserWidget

UE - Editor - UI Systems - Oct 7, 2019

The engine crashes when trying to initialize a native UserWidget within another widget. This happens because UUserWidget::GetSlotNames gets called before the widget tree is initialized, and we don't ...

Crash when resetting asset import data in static mesh editor

UE - Editor - Content Pipeline - Import and Export - Nov 29, 2019

Crash w. 'Serialized Class LinkerPlaceholderExportObject for a property of BlueprintGeneratedClass'

UE - Gameplay - Blueprint - Sep 25, 2017

I was attempting to repro [Link Removed]. I created a new Actor BP, placed it in the level, added a ref to it to the level BP (instead of the projectile approach in the repro), and tried to save my ...

[Sound Cue][Open World] - Crash when creating a Sound cue from an Ambient Sound actor on an Open World map

UE - World Creation - Worldbuilding Tools - OFPA - Apr 18, 2022

When trying to recreate an issue that resulted in [Link Removed], I came across this call stack.   Regression testing done in //UE4/Release-4.27.2 CL-18427296 and this issue did NOT happen. ...

Crash on debugging a minimized Blueprint (access violation in SWatchTreeWidgetItem)

UE - Gameplay - Blueprint Editor - Mar 27, 2019

Debugging a blueprint with a breakpoint while the Blueprint Editor window is minimized causes the editor to crash. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5531554), 4.23 (CL - 5586947) ...

Crash due to memory after opening the World Partition window with large objects

UE - World Creation - Worldbuilding Tools - World Partition - Dec 8, 2022

Regression: Tested in UE5/Release-5.0, this issue does not occur so regression is yes. Reproducing this issue has a mixed reproduction rate. I have gotten the editor to crash when scaling the cube ...

Creating a Blueprintable Struct that contains a Tmap results in Editor Crash

Tools - Sep 6, 2019

Any blueprint with a TArray of a struct containing a TMap crashes the editor when adding elements ...

Crash when deleting mesh instances of a HISM component

UE - World Creation - Worldbuilding Tools - Foliage - Apr 24, 2019

When trying to delete an existing (and saved) mesh instance from a Hierarchical Instanced Static Mesh component the Editor crashes due to a failed assertion, however clearing all instances does not ...

Pasting nodes into level blueprint crashes editor

UE - Gameplay - Blueprint - Jun 13, 2017