Unreal Engine Issues
Unreal Engine Issues
Having a [ or ] in a folder name will cause that filepath to be invalid for anything related to an .ini file
Tools - Feb 16, 2017If a [ or ], which are used for syntax in .ini files, are included in a folder name, problems occur when that filepath is used for anything that is recorded in .ini files. The example given in the r ...
Crash using Import Commandlet on FBX that gets "Bones are too small" error when imported manually
UE - Editor - Content Pipeline - Import and Export - Feb 23, 2017Crash using Import Commandlet on FBX that gets "Bones are too small" error when imported manually Error from manual import: Warning The bone size is too small to create Physics Asset 'ButterflyVa ...
[CrashReport] UE4Editor_CoreUObject!UPackage::Save() [savepackage.cpp:4597]
UE - Gameplay - Blueprint Compiler - Jul 14, 2017This is a common crash affecting users in 4.16. Users have not provided additional information. Source Context// Set the parent index, ifthis export represents a UStruct-derived object 4589 ...
[CrashReport] UE4Editor_Core!FName::GetDisplayNameEntry() [unrealnames.cpp:894]
UE - Rendering - Architecture - Materials - Sep 14, 2017This is a somewhat common crash in 4.17.1. This same callstack appeared a few times during 4.11, but then has not been seen until recently. Users have not provided any descriptions of their action ...
Unable to compile BuildPatchTool
UE - Foundation - Core - Nov 2, 2017Attempting to build the BuildPatchTool program fails due to a missing .h that was likely relocated. This may be related to, and is at least similar to, another issue where ShaderCacheTool is also un ...
Enabling Preview Rendering Level Mobile GLES3.1 on Map With Vector Fields Results in Editor Crash
UE - Platform - Mobile - May 21, 2018Reproduced Crash on 4.18.3, 4.19.2, and Main CL 4081612. Licensee states: Based on a quick inspection of the code, it seems FVectorFieldVisualizationVertexFactory::ShouldCache() returns false (req ...
Snap To Grid doesn't function in the Static Mesh Editor's Perspective View when moving Sockets
Tools - Jun 29, 2018When moving Sockets around in Orthographic View with Snap to Grid enabled, Sockets snap to the Position Grid Snap value when moved along the Grid. In Perspective View this is not the case and moving ...
UProceduralMeshComponent::UpdateMeshSection does not call UProceduralMeshComponent::UpdateCollision
UE - Simulation - Physics - Apr 20, 2020Updating a procedural mesh results in an incomplete collision update. Collision bounds appear to get updated properly, but collision data is not updated, despite a navigation rebuild being triggered ...
[Interchange][FBX] Fail to import attributes animation curves with key values as integer
UE - Editor - Content Pipeline - Import and Export - Jan 13, 2025cf[-https://forums.unrealengine.com/t/5-5-not-able-to-import-animation-curves-since-5-3-5-5/2267442/4-] Be carefull there is 2 bugs reported on that Forum and I think they are not related. The firs ...
OCIO + nDisplay not producing expected output in Disguise
UE - Virtual Production - Rendering - Color - Feb 19, 2026Based on [Link Removed] OCIO + nDisplay not producing expected output The issue is just that when using UE 5.6 or later the resulting colour looks off compared to what 5.5 and pevious versions wou ...