Unreal Engine Issues
Unreal Engine Issues
libfbxsdk Crash on importing FBX with Animation
Tools - Nov 4, 2015When importing the attached FBX file, the engine crashes the libfbxsdk module. The same FBX can import successfully into 4.9.2 with only bone errors listed in the Message Log. Crash Reporter Link: ...
Editor will crash while instancing nested AIPerception component template subobjects in an AIController-based Blueprint class during compile-on-load.
UE - Gameplay - Blueprint - Mar 23, 2018User report of an assertion that fires on editor reload during an attempt to reload an AIController-based Blueprint class with a dependency on a child Blueprint class, both created in a previous edi ...
The Merge Actors Tool doesn't account for rotated collision shapes when doing non-uniform scaling
UE - Gameplay - Aug 30, 2016Collision shapes for merged actors using the Merge Actor tool do not account for the rotation of the actor when combining the data. It looks like the X and Y collision shape rotation in the world ...
Execute Console Command r.SetRes Fullscreen breaks Dynamic Skylights when tied to Event BeginPlay
UE - Graphics Features - Apr 6, 2017Using the Execute Console Command 'r.SetRes 1920x1080f' directly with an Event BeginPlay node within blueprints, any Stationary/Movable Skylighting information is no longer visible. A simple workar ...
[CrashReport] UE4Editor_ApplicationCore!FindWindowByHWND() [windowsapplication.cpp:357]
Tools - Nov 2, 2017This is a trending crash coming out of the 4.18 release, and may be a regression. Users have not provided any descriptions of their actions when the crash occurred. Source Context 347 stat ...
Skeletal mesh reduction - Material settings are lost when regenerating the LOD in a mesh with a reduced material section
UE - World Creation - Worldbuilding Tools - HLOD - Nov 25, 2020Following code fixes this issue in FQuadricSkeletalMeshReduction::ReduceSkeletalMesh Section.ChunkedParentSectionIndex = bIsChunkedSection ? CurrentParentSectionIndex : INDEX_NONE; // ...
When using All Nearby Spawned Actors, the number of recorded animation frames is not enough.
UE - Anim - Sequencer - Jul 21, 2021The licensee wants to record the same number of frames as the animation in "Content/TakeRecorder_test/Grayman/anm/". I thought that increasing the number of frames by 1F on Sequence would solve the ...
Undo then Redo Creating a Spawnable in Sequencer Creates Extra Actor in Level
UE - Anim - Sequencer - May 3, 2023There is a bug when performing an undo/redo on pasted or spawned actors in Sequencer. It appears that the transaction system is re-creating an actor on redo, but Sequencer doesn't see that, so it ...
CreateDynamicMaterialInstance will pull from the base rather than overridden mesh on SkinnedMeshComponent when run from construction script
UE - Framework - Blueprint - Feb 6, 2025When UPrimitiveComponent::CreateDynamicMaterialInstance is called on a skinned mesh, and the input material is invalid, we call USkinnedMeshComponent::GetMaterial to get the base material on the exi ...
Source Control: Perforce Branch History is Parsed Incorrectly
Tools - Sep 26, 2016Several issues have been reported within the ParseHistoryResults method from PerforceSourceControlOperations: 1. Any Records that share the same filename will only display the last record with that ...