Unreal Engine Issues
Unreal Engine Issues
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 ...
Windows registers touch events twice - Once as mouse click
UE - Editor - UI Systems - Slate - Nov 28, 2017When tapping on a button with a touch monitor, it is registered as two inputs. There was an issue on win7 where touch inputs were counted as touches and clicks. This seems to be the same issue on wi ...
Template_Default.umap and Template_Default_BuiltData.uasset will be changed each time after cook.
UE - Foundation - Core - Cooker - May 10, 2018Each time after cook the Template_Default.umap or Template_Default_BuiltData.uasset are changed. But if I move Template_Default.umap to the project content folder, they will be the same as the las ...
All folders in the World outliner open up when Playing in editor with multiple players
Tools - May 24, 2018When playing in the editor with multiple players, the folders in the world outliner open up. ...
Crash occur package application which set the StringTable
UE - Foundation - Core - Mar 14, 2019Crash occur the packaging application which has the title referencing StringTablem. When lunch the application with editor and standalone, it's not crash. It' not occur 4.20, and crash with 4.21 and ...
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 ...
Engine crashes with AudioMixer if the sound is disabled in the system
UE - Platform - Linux - May 16, 2019Seems like failure to init SDL device is not being properly propagated and something on the higher level keeps pushing commands to the (non-existent?) audio thread. Paging also [Link Removed] and [ ...
Beam Emitter exhibiting lagging behavior when attached to Camera in BP
UE - Gameplay - Sep 26, 2014Beam Emitter attached to a camera in a blueprint is showing lagging behavior at source and target locations ADDITIONAL NOTES: Have tried to eliminate the lagging through locking source and target w ...
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". ...