Unreal Engine Issues
Unreal Engine Issues
Crash Re-Importing animation with Additive Layer Tracks after adding a bone to the hierarchy
OLD - Anim - Feb 13, 2017Error 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 ...
Import Source disappears in Textures after loading asynchronously loaded level
UE - Editor - Content Pipeline - Import and Export - Dec 15, 2015It looks like when reimporting a texture asset into the engine after loading a level, you will be confronted with the File Selection box and not the reimport successful notification. In fact if you ...
"Reference space" when exporting LevelSequences with "Override Instance Data"
UE - Anim - Sequencer - May 15, 2024When exporting a Cinematic Camera as FBX and importing it back, all transforms and Camera view are shifted. This happens when in Level Sequence Actor has the property "Transform Origin Actor" set to ...
[Interchange] Crash on asset re-import
UE - Editor - Content Pipeline - Import and Export - Feb 7, 2025We've started seeing a crash in editor when re-importing one of our assets. <pre class="ql-syntax">Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 783] Array index out of ...
Deltagen Importer - Materials still import if disabled
UE - Editor - Content Pipeline - Datasmith - Importer - Dec 6, 2018Materials still import if disabled in Deltagen Fbx Importer. Import Geometry bool also looks to not be functioning. ...
[CrashReport] UE4Editor_CoreUObject!FLinkerSave::FLinkerSave() [linkersave.cpp:31]
UE - Foundation - Core - Aug 22, 2017This is a longstanding and common crash that has occurred since at least the 4.11 release. The error appears to occur while trying to access a .tmp file. User DescriptionsI left unreal unattended ...
UMovieSceneUserImportFBXSettings is not a blueprint type.
UE - Anim - Sequencer - Jan 20, 2021This class is needed for FBX importing through blueprints. It needs the BlueprintType class specifier. ...
Cannot create FBXEportOption in blueprints
UE - Anim - Sequencer - Jan 5, 2021The class UFbxExportOption is not specified as a blueprint type, so it cannot be constructed in blueprints. This class is needed for exporting FBX files from a sequence, which means this functionali ...
Crash with assigning APEX Cloth that uses a custom graphical mesh
UE - Simulation - Physics - Feb 24, 2015When a graphical mesh is used to create a lower LOD for cloth assets and the Cloth FBX has the APB assigned to the material for the cloth there will be a crash. ...
If Import animation is not enabled then morph targets will not be imported even if the model has them.
UE - Editor - Content Pipeline - Import and Export - Feb 1, 2017Importing an asset with morph targets enabled, but with import animation disabled does not import morph targets. Note: if you open the asset and press re import the asset's blend shapes will reimpo ...