Launch on for Win64 produces fatal error

UE - Foundation - Core - May 18, 2015

Creating a C++ project and then attempting launch on for Windows 64 causes a fatal error crash in 4.8 preview 2 binary from launcher. Project recovers from fatal error and can then package and run . ...

If you add a cluster to another level to create HLOD and open a hierarchical outliner at the original level, the original level crashes.

UE - World Creation - Worldbuilding Tools - HLOD - Feb 28, 2018

Please check the attached file. https://udn.unrealengine.com/questions/417308/hlod-%E3%82%92%E4%BD%9C%E6%88%90%E3%81%99%E3%82%8B%E3%81%9F%E3%82%81%E3%81%AE%E5%88%A5%E3%83%AC%E3%83%98%E3%83%AB%E3% ...

Crashreporter.exe does not appear in packaged projects

UE - Foundation - Core - Oct 30, 2015

Crash Reporter does not get packaged with development build projects when they have "Include Crash Reporter" set to true in packaging options. ...

[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. ...

Editor crash loading a Blueprint asset when a child scene component C++ type changes to a non-scene component type.

UE - Gameplay - Blueprint Editor - Jan 16, 2019

Changing the type of an existing child scene component to be a non-scene component type triggers some fixup code at load time which attempts to remove the node from its current position in the scene ...

Crash when a StateTree-related Parameter is of a type that includes two nested arrays with the same name (due to FPropertyChangedEvent::ArrayIndicesPerObject using array names to map to their changed indices)

UE - Framework - Dec 19, 2025

This issue was reported in the context of adding and setting parameters on StateTrees, Tasks and related assets, but its root cause lies in the structure FPropertyChangedEvent and can possibly affec ...

Crash in Acquire/Release UGoogleARCorePointCloud.

UE - Platform - XR - Mar 21, 2018

Crash with package version with SetActorLabel.

UE - Foundation - Core - Cooker - Apr 25, 2018

Since SetActorLabel does not correspond to packages, cook wants errors or warnings. ...

Crash when enabling Edit Mode

OLD - Enterprise - Aug 3, 2018