Unreal Engine Issues
Unreal Engine Issues
[AI] SmartObjectPersistentCollection produces errors during Map Validation
UE - AI - SmartObject - Nov 18, 2025SmartObjectPersistentCollection in 5.6 and later now give errors when the map validator runs due to referencing spatially loaded actors. This was working per licensee in 5.5. There was a change from ...
[AI] SmartObjectSlot does not have a valid node ref even when it should project to navigation.
UE - AI - SmartObject - May 17, 2025If you request a SmartObject slot entrance location and require it to be navigable, it will return a result that does not include the node ref of the nav poly for the entrance to the slot. Instead i ...
Adding SmartObjectZoneAnnotationComponent to a blueprint actor causes a crash when building the package
UE - AI - SmartObject - Jan 30, 2025If placing an actor with SmartObjectZoneAnnotationComponent added to blueprint actor in a level, it will crash when the level open. As a workaround, adding SmartObjectZoneAnnotationComponent to the ...
[AI] SmartObject with Precondition in a persistent collection crashes editor when exiting PIE
UE - AI - SmartObject - Sep 26, 2023Adding the Precondition to the SmartObject caused an assertion when it was part of a persistent collection. The precondition needs to be able to pass its Activate method to cause the assert. This b ...
[AI] Smart Object debug rendering is constantly showing in PIE and non-shipping game
UE - AI - SmartObject - Dec 1, 2022The debug drawing for ASmartObjectSubsystemRenderingActor is always enabled during PIE or non-shipping game builds. This leads to a blue debug box being drawn at all slot locations for every SmartOb ...
Auto-creation of SmartObjectCollection is often undesired
UE - AI - SmartObject - Nov 2, 2022Right now whenever a new world is created in the editor we automatically spawn a SmartObjectCollection actor for it, regardless of whether there are SmartObjects on the map. The SmartObjectCollectio ...
[AI] Moving a SmartObject actor in a level does not update the location of its Slot in the SmartObjectCollection
UE - AI - SmartObject - Aug 22, 2022Moving a SmartObject inside of the level shows that the slot debug view is moved along with the SmartObject, but when PIEing the AI react as if it has not been moved/rotated. You must click Rebuild ...