Unreal Engine Issues
Unreal Engine Issues
SetDisableRetargeting does NOT work correctly for packaged project
UE - Anim - Runtime - Jan 4, 2023For example in cutscenes, the users use FBoneContainer::SetDisableRetargeting to temporarily use a specific shared animation without retargeting. But the function does not work correctly. We can fi ...
After breaking a level instance without Actor Folders, moving its actors between folders of the world-partition map does not work correctly
UE - World Creation - Worldbuilding Tools - World Partition - Jan 29, 2024If a standard level (without Actor Folders enabled) is added to a world-partition map (with Actor Folders enabled) as a Level Instance, and then that instance is "broken" so that its actors are inco ...
[CrashReport] UE4Editor_CoreUObject!UObjectBase::IsValidLowLevelFast() [uobjectbase.cpp:294]
UE - Foundation - Core - Aug 22, 2017This is a common crash in the 4.16 and 4.17 releases. User DescriptionsWriting a custom component in C++. Hotcompiled it through VS2017. Had the BP editor open with a class derived from that compo ...
[CrashReport] UE4Editor_Engine!AActor::IncrementalRegisterComponents() [actor.cpp:4065]
UE - World Creation - Worldbuilding Tools - Foliage - Aug 22, 2017This is an intermittent crash coming out of the 4.17 release. User DescriptionsI had previously added the Open World Demo Collection into my project. When I tried to delete the folder Kite(Somethi ...
[CrashReport] UE4Editor_Engine!FMaterial::GetShader() [materialshared.cpp:1790]
UE - Graphics Features - Jun 12, 2018No user comments in crash group 1785 int BreakPoint = 0; 1786 1787 // Assert with detailed information if the shader wasn't found for rendering. 1788 // This is usua ...
Dependent modules, compiled from editor, link to wrong versions
UE - Platform - Linux - Aug 2, 2019The project consists of 2 modules, "ReloadBug" and "DependentModule." DependentModule has a one-way dependency on ReloadBug, and ReloadBug is the primary game module. On module load, DependentModule ...
“None” option removed from “Preview Game Language” in Editor Preferences since UE 5.6
UE - Editor - UI Systems - Oct 24, 2025In Unreal Engine 5.5 and earlier, users could select “None” as the Preview Game Language in the Editor Preferences. Starting from UE 5.6, this “None” option is no longer available. Based on source ...
Subsurface Profile material does not render properly in the Material Editor or Material Instance Editor
UE - Graphics Features - Dec 15, 2016Note: I looked for a similar or related bug but could not find one. Sorry if it's here and buried. Subsurface Profile materials render differently in the Material Editor Preview pane than they do a ...
[CrashReport] Mac crash in FThreadStats::FThreadStats()
UE - Platform - Apple - Jan 3, 2017This is a commonly reported crash from Mac users in the community. The repro steps are currently unknown, and appear to be varied based on user information below.zoomed out quickly while in a bluepr ...
Cannot hide most Blueprint categories from the Class Settings
UE - Gameplay - Blueprint - Apr 29, 2015Cannot hide most Blueprint categories from the Class Settings of a bp. x = Cannot hide Actor - Hid-able Add Component - x Add Event - x AI - x Animation - Hid-able Audio - Hid-able Canvas Render T ...