Crash when adding a camera to the world in VR Mode

UE - Editor - Workflow Systems - May 31, 2017

Dragging a Cine Camera Actor into the world causes the editor to crash. I reproduced this with both Oculus and Vive, however had a more successful repro rate with Oculus. ...

GC Clustering broken for USoundWave assets (crash)

UE - Foundation - Core - Mar 29, 2017

Assert crashes Editor in the GC system during packaging due to USoundWave assets not being configured for GC clustering. Disabling GC clustering in project settings is a workaround, but the fix is ...

Sculpting landscape with foliage painted crashes editor

UE - World Creation - Worldbuilding Tools - Foliage - Apr 4, 2016

sculpting landscape with foliage painted crashes editor Frequency 3/3 Crashreporter [Link Removed] Logs [Link Removed] ...

Editor Crashes When Undoing Paint Mode Selections

Tools - Sep 29, 2016

Attempting to use the paint mode tool on meshes in the level and then undo/redo the changes will cause the editor to crash. ...

App crashes on launch when packaged for Vulkan with Scalable 2D/3D

UE - Platform - Mobile - Nov 4, 2016

No Vulkan SDK was installed Crashed on a Nexus 6P ...

Crash removing a split parameter pin that is linked

UE - Gameplay - Blueprint Editor - Jun 13, 2017

Crash occurs if the user splits an Output Parameter on a function, then links one of the pins, and then removes the parameter entirely. I could not reproduce this in Main. ...

iOS - Launch On - Application Crashes on device, on iOS 8 devices

UE - Platform - Mobile - Jul 20, 2016

Blueprint Template Launch On from Mac crashes on device. ...

If a widget is set to be the parent of another widget and that widgets child is added to its designer tab, opening one of those widgets will cause a crash

UE - Editor - UI Systems - Nov 1, 2016

If a widget is set to be the parent of another widget and that widgets child is added to its designer tab, opening one of those widgets will cause a crash ...

FHLSLMaterialTranslator::GetMaterialEnvironment can crash or not load UMaterialParameterCollections

UE - Rendering Architecture - Materials - Apr 30, 2025

In UE 5.5, the Editor may crash in FHLSLMaterialTranslator::GetMaterialEnvironment when loading materials with Material Parameter Collections, likely due to async loading. Calling ParameterCollectio ...

Crash Occurs in UAIPerceptionSystem::UnregisterSource When Exiting PIE

UE - AI - Feb 17, 2016

User Description: The Perception System crashes when exiting PIE on UAIPerceptionSystem::UnregisterSource. It doesn't check for null sense classes which are there by design I suppose. I transition m ...