Unreal Engine Issues
Unreal Engine Issues
Unable to load XMPP module warning upon opening the editor
UE - Foundation - Build - GitHub - Jan 13, 2017The following unable to load module XMPP warning appears in the output log when opening UE4Editor LogModuleManager:Warning: No filename provided for module XMPP LogModuleManager:Warning: ModuleMan ...
Accessed None for Sequence Actor references in project upgraded to 4.17
UE - Anim - Sequencer - Jul 14, 2017In a project upgraded from 4.16 to 4.17, the level sequence doesn't play on first PIE and returns Accessed None errors. Next time you PIE, it plays fine. This now happens every time you re-open th ...
UPL addElement and addElements can infinitely recurse if tag is included in inserted data
UE - Platform - Mobile - Jul 24, 2017Inserting element data which contains the same tag as to insert into can create an infinite loop of adding the element to itself. ...
[CrashReport] UE4Editor_Engine!FStaticMeshVertexBuffer::BindLightMapVertexBuffer() [staticmeshvertexbuffer.cpp:495]
UE - Graphics Features - Mar 20, 2018User comment from crash group:reimporting fbx 491 void FStaticMeshVertexBuffer::BindLightMapVertexBuffer(const FVertexFactory* VertexFactory, FStaticMeshDataType& Data, int LightMapCoordinate ...
Python cannot spawn object when running in Ueditor-CMD
UE - Editor - Workflow Systems - Dec 7, 2018It is probably link to the fact the function try to access so GUI object that are not accessible in CMD EditorLevelLibrary.spawn_actor_from_object should work in commandlet ...
FP_FirstPerson and FP_FirstPersonBP missing when adding feature packs
Docs - Samples - Dec 16, 2019When adding the first person template (bp or code) as a feature pack, an error occurs stating "Unable to read file" and a warning "failed to import". ...
Map Get Node Pins In Niagara Module Scripts Can't Search For Standard Data Types
UE - Niagara - Mar 16, 2020This wasn't like this in 4.24 (see attached images). If you create a variable Engine.Owner.Position the search will find it however. Found in 4.25 Preview 2. Reproduced in 4.26 Main. ...
Crash on loading level with Landscape by 2 PIE instances
UE - Graphics Tools - Terrain - Landscape - Jun 16, 2022IAnimationDataController::Evaluate implementations do not account for compatible skeletons
UE - Anim - Runtime - Aug 25, 2023Looks like we are missing code in the Evaluate methods similar to what we are doing in DecompressPose to account for compatible skeletons. The easiest way to repro is in a standalone game because ...
PCG causes crash when UGrassInstancedStaticMeshComponent is set as a mesh entry for the static mesh spawner node
UE - World Creation - Procedural Tools - PCG Component - May 16, 2024PCG causes crash when UGrassInstancedStaticMeshComponent is set as a mesh entry for the static mesh spawner node. ...