Unreal Engine Issues
Unreal Engine Issues
Editor added components can fail to attach to a native root component
UE - Framework - Blueprint - Feb 8, 2021An actor instance's editor added components can fail to attach to the root component of the actor when changing the native root component's mobility from static to movable. The failure happens durin ...
After adding MovieSceneObjectPropertyTrack from BP or Python, clicking the pull down of the added track occurs crash
UE - Anim - Sequencer - Sep 6, 2019When MovieSceneObjectPropertyTrack is added from BP or Python, PropertyClass of UMovieSceneObjectPropertyTrack becomes null, so it crashes with the following processing of SPropertyMenuAssetPicker : ...
Crash Applying Multiple Anim Modifiers
UE - Anim - Runtime - Sep 5, 2021Fatal error: [Link Removed] [Line: 2516] Fatal error: [Link Removed] [Line: 2516]Objects have the same fully qualified name but different paths. New Object: MotionExtractorModifier /Game/Characters/ ...
Crash when double-clicking landscape editor splines point tangent
UE - Graphics Tools - Terrain - Landscape - Apr 11, 2023When double click splines point tangent, the editor will crash. This issue related to [Link Removed], it didn't care about double-click case. Workaround: void FEditorViewportClient::ProcessDoubl ...
Crash on saving imported font
UE - Foundation - Core - Aug 3, 2016Unable to import new fonts into project ...
Editing ChildActorComponents on a Parent BP can corrupt a Child BP's state.
UE - Gameplay - Components - Jun 13, 2017Editing the Child Actor Class of a Child Actor Component owned by a Parent BP can corrupt the Child BP's state. This seems related to known serialization issues, where changing a Parent's Property ...
Changing number of existing UHierarchicalInstancedStaticMeshComponent in Blueprint causes crash.
UE - Graphics Features - Oct 14, 2016If using a UHierarchicalInstancedStaticMeshComponent in a C++ class and adding instances via the OnConstruction( ) function, editor can crash. ...
Template Mismatch during attachment ensure on Blueprinted scene components
UE - Gameplay - Blueprint - Mar 6, 2020Ensure hit when adding a Blueprinted scene component that derives from a native component that has its own subcomponent. This does not occur when adding the native component, only when adding the bl ...
Adding "_API" specifier to FMovieSceneTrackEditor results in linker errors
UE - Anim - Sequencer - Feb 7, 2017Unable to add API specifier to FMovieSceneTrackEditor, results in compile errors (pasted in the callstack field) ...
Editor crash on level load when bUseActorFolders is true after dragging Actor into another folder in the Outliner
UE - World Creation - Worldbuilding Tools - OFPA - Mar 7, 2023From licensee: Hello! Our level streaming setup enables the bUseActorFolders on our levels. When moving the Actor into another folder via the Outline, the editor will crash on the next load Assert ...