Unreal Engine Issues

Crash Re-Importing animation with Additive Layer Tracks after adding a bone to the hierarchy

Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 633] Array index out of bounds: 68 from an array of size 68 Source Context: 733 734 Extrac ...

ContentExamples: Physics Level Multiple misspellings

Physics Example 1.1 "StaticMesh" is one word The word Static Mesh is 2 separate words in unreal documentation https://docs.unrealengine.com/latest/INT/Engine/Content/Types/StaticMeshes/ ...

[CrashReport] UE4Editor_UnrealEd!PackageTools::ReloadPackages() [packagetools.cpp:576]

This is a common crash affecting users on 4.16. Users have not provided any descriptions, so additional information is currently unavailable. Source Context 561 ::SortPackagesForReload( ...

Copying more than 1 socket between skeletal meshes retains only one socket name

When you select two or more sockets in one skeletal mesh and copy them and paste them into a different skeletal mesh, all sockets will be named after the last socket selected followed by _#. ...

Unreal Logo in Display 3.1 Continues to Spin After Button is Turned Off

While writing test cases for the Blueprint Communication Content example, I came across this inconsistency. The logo continues to spin even after the button is no longer active. I expected the logo ...

Crash if editing the key properties of a collapsed key that has only 1 channel keyed

Possible: JPG encoding for Highscreenshot broken in 5.1 Linux build

UDN report of JPG encoding not working: [Link Removed] Can we ask QA to try to repro? ...

Unable to affect setting cubemap blend in skyLight and reflections on transluscent materials

Attempting to blend SkyLight Cubemaps via the SetCubemapBlend function to blend between different Cubemaps to make the changes seamless is not reflected. As a workaround, in LumenTracingCommon.ush, ...

Setting Slate.ShowBatching to 1 makes the entire screen green unexpectedly

This issue may have occurred due to a refactoring of the related functionality during the engine update from version 5.4 to 5.5. The main reason is that the randomization of BatchColor doesn't work ...

Editor crashes due to a material that contains MPCs migrated from another project

[2024.04.29-16.49.46:563][970]LogUObjectGlobals: Warning: LoadPackage can't find package /BEURRE_040824_041224/NewMaterialParameterCollection. [2024.04.29-16.49.46:563][970]LogUObjectGlobals: Warning ...