Unreal Engine Issues
Unreal Engine Issues
REINST error when replacing a Widget that was added via the user created section
UE - Gameplay - Blueprint - Oct 5, 2015When a user deleted a widget that has been added to another blueprint via the user created section. If this blueprint in referenced in another blueprint that reference will throw a REINST error and ...
Changing levels after setting an images material to a dynamic material with a widget blueprint that has been added to the viewport within a HUD blueprint will cause a crash
UE - Editor - UI Systems - Sep 21, 2015A crash occurs if the following conditions are metSetting an image widget to a dynamic materialAdding the widget blueprint to the viewport from within a HUD blueprintChanging levels ...
Morpher Animation incorrect if Names Overlap on Imported Mesh
UE - Editor - Content Pipeline - Import and Export - Sep 19, 2019Overlapping names are imported (with extra renaming), however they fail to attach the animation. Found in 4.22 CL# 7053642, 4.23 CL# 8386587, and 4.24 CL# 8748719 ...
Navmesh does not update according to the volume, when an actor with a navigation volume tied to a parent is moved.
UE - Runtime - Character - Jul 14, 2023When a NavmeshBoundsVolume or NavModifierVolume is parented to another actor in the outliner, navmesh is not updated along the volume when the parent actor is moved. If the volume is deleted and the ...
USourceControlHelpers::IsEnabled crashes shipping builds
UE - Editor - Aug 11, 2025The licensee has reported that the naming of the IsEnabled node is not descriptive enough and can be easily confused with other IsEnabled functions or variables. The Licensee has requested that the ...
Possible data loss/corruption when loading levels in editor
UE - Gameplay - Jul 18, 2018Reported behavior: Given Level_A which contains object_X, where object_X references Level_BDeleting object_X causes AssetRenameManger to check if we need to patch up other levelsLevel_B is load ...
Auto Importing Multiple FBX do not respect Import All
UE - Editor - Content Pipeline - Import and Export - Jul 27, 2015Using the Auto Importing Feature in the engine, when you initially place or update multiple FBX files in the Content Directories, you cannot set values and use the Import All Button. You will have ...
Matinee: Animation keyframes cannot be added after opening a new asset editor in the same window
Tools - May 31, 2016When opening a new asset editor in the same window as matinee, the 'Add Key' button for animation tracks will no longer function. This is due to FSlateApplication::ActiveTopLevelWindow being reset a ...
WorldGridMaterial gets added as Element 0 when importing LOD model
When importing a LOD model, LOD material can get added as element 0, not preserving previous material assignment. It's not possible to re-order/delete the automatically added Element 0 WorldGridMat ...
Blueprint compilation error regarding actor component
UE - Gameplay - Dec 11, 2017Blueprint actor has an error in the event dispatcher node. The error states that the node is out of date and needs to be refreshed. Pressing the compile button will removed the error but when the pr ...