Unreal Engine Issues
Unreal Engine Issues
GC Clustering broken for USoundWave assets (crash)
UE - Foundation - Core - Mar 29, 2017Assert 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, 2016sculpting 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, 2016Attempting 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, 2016No Vulkan SDK was installed Crashed on a Nexus 6P ...
Crash removing a split parameter pin that is linked
UE - Gameplay - Blueprint Editor - Jun 13, 2017Crash 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, 2016Blueprint 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, 2016If 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, 2025In 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, 2016User 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 ...
Running Lyra with a Startup Movie causes a crash
UE - Editor - UI Systems - Slate - Jun 26, 2023Adding a startup movie to a Lyra Starter game project will cause a crash in a packaged build. Full callstack is attached ...