Crash Occurs When Importing a .ABC File as Skeletal Mesh Into Project That Already Contains Asset's Materials

OLD - Anim - Jun 8, 2018

Editor crashes when importing an .abc file as a skeletal mesh and the assets materials already exist inside the project. -Materials need exist inside project before import -If the .abc file is imp ...

Having a [ or ] in a folder name will cause that filepath to be invalid for anything related to an .ini file

Tools - Feb 16, 2017

If 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 ...

Editor crash when spawning character from template

UE - Gameplay - Components - May 18, 2017

Spawning a character using an existing character as a template causes the spawned character to inherit the animation of the original and may lead to a crash. This appears to be unique to character ...

[CrashReport] rml::internal::Block::findObjectSize() - UBlueprintGeneratedClass::DestroyPersistentUberGraphFrame

UE - Gameplay - Blueprint - Sep 7, 2017

This is an infrequent crash that has occurred for a few users exclusively in 4.17.1 (possible regression from 4.17.0?). Users have not provided any descriptions of their actions when the crash occu ...

[CrashReport] UE4Editor_Core!FName::GetDisplayNameEntry() [unrealnames.cpp:894]

UE - Rendering Architecture - Materials - Sep 14, 2017

This 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 ...

Data validation FAILED due to IWBE_Blutility containing invalid data

UE - Content - Engine - Jan 11, 2021

4.26[AssetLog] D:\Binary\UE_4.26\Engine\Content\Tutorial\InWorldBlueprintEditing\TutorialAssets\IWBE_Blutility.uasset: Default__IWBE_Blutility_C is not valid. See the MapCheck log messages for detai ...

Chaining AutomationTool Commands leads to an endless loop

UE - Foundation - Cpp Tools - Automation Tool - Nov 23, 2022

Repro Rate: 3/3 This issue was reproduced in //UE5/Release-5.1 at CL 23058290. This is confirmed to not be a regression since the error also occurs on the previous live version. This is regression ...

Instanced Static mesh does not LOD at the same screen distance as standalone mesh

UE - Graphics Features - Nov 11, 2014

DESCRIPTION: When using instanced static mesh component in a blueprint that has LODs the normal distances for LODs are not reflected for the instanced static mesh component. AH Post: https://answe ...

Actor Sequence Component Not Working While Playing in Standalone

UE - Anim - Sequencer - Jun 6, 2017

When using an Actor Sequence Component in an actor blueprint, the sequence will not play in Standalone. In the test, a cube was used and was increasing its scale using the sequence. When playing in ...

Refresh rate for windowed package builds causes frame stuttering

UE - Graphics Features - Aug 24, 2017

THere is an issue where the refresh rate of a windowed packaged game does not match the refresh rate of a monitor correctly, this results in stuttering. This issue does not occur in the editor (PIE) ...