Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor_PropertyEditor!SDetailSingleItemRow::OnArrayDrop() [sdetailsingleitemrow.cpp:172]
Tools - Oct 10, 2017This is a trending crash coming out of the 4.18 previews. Users have not provided any descriptions of their actions when the crash occurred. The callstack shares similarities to [Link Removed] whi ...
[CrashReport] UE4Editor_CoreUObject!FDuplicateDataWriter::Serialize() [duplicateddatawriter.h:51]
UE - Graphics Features - Mar 27, 2018Comments from users:Yeah lost all of my work. Tried to save again as a new name and crashedTried to save map as a new name. Lost a bunch of work.I saved as another level and it closedTried to save m ...
Volumetric Cloud + Sun ghosting artefacts around a static cube
UE - Graphics Features - Feb 3, 2022Video of the issue here - [Link Removed] 4.27 and 5.0 seem to display slightly different outcomes. In 5.0 the sun only appears very close to the cube, whereas in 4.27 is can appear a bit further ou ...
The ChaosCacheManager changes the bSimulatePhysics flag from the ObservedComponents and, if deleted, the change will persist, what can lead to confusion as observed physical entities will inadvertently stop simulating physics
UE - Simulation - Physics - Nov 26, 2024The ChaosCacheManager (CCM) changes the bSimulatePhysics flag from the ObservedComponents and, if deleted, the change will persist, what can lead to confusion as observed physical entities will inad ...
Apex Cloth disappears when Setting Custom Time Dilation to Zero
UE - Simulation - Physics - Character - Aug 24, 2016Apex Cloth assets disappear if you set the Custom Time Dilation to 0.0. You can workaround the issue by setting the Custom Time Dilation to 1.0, and then use the 'Force Cloth Next Update Teleport a ...
A welded hierarchy blocks updates to collision settings on all but the root primitive. Calling SetCollisionResponseToChannel on the children won't work.
UE - Simulation - Physics - Nov 22, 2024A welded hierarchy blocks updates to collision settings on all but the root primitive. Calling SetCollisionResponseToChannel on the children won't work. The licensee noticed that IPhysicsProxyBase* ...
Shortcut(Function, Add a new function graph) leads to crash in the MacroLibrary editor.
UE - Gameplay - Blueprint Editor - Dec 4, 2017Shortcut will still led to create a new function in the macro library. and this makes engine crash with following callstack. Assertion failed: Blueprint->BlueprintType != BPTYPE_MacroLibrary [Link ...
FStateTreeExecutionContext::GetDebugInfoString() outputs wrong info and crashes when using linked state trees
UE - AI - Debugging - Apr 17, 2025When using State Trees, the AI Debugger can be accessed during play to show information about their current execution state. If a behavior tree is currently in a state that references a linked tree, ...
Crash when building lighting with a skylight that draw lit translucent material
UE - Graphics Features - Aug 14, 2017A common crash affecting many users in 4.17.0 ...
If enable Preview Slot of non-default slot in AnimMontage, AnimNotify of AnimationSequence does not run.
UE - Anim - Runtime - Jul 15, 2021The AnimSingleNodeInstance used in the AnimMontage preview does not consider multiple Slots. The following is a correction code. void UAnimSingleNodeInstance::SetAnimationAsset(class UAnimationAsse ...