Unreal Engine Issues
Unreal Engine Issues
Navmesh doesn't work in a Packaged Build if it was placed in a Sublevel
UE - AI - Oct 19, 2018Once packaged, a persistent level is unable to create navmesh data properly if the navmesh bounds volumes are only present in its sublevels. The issue can be traced to the UNavigationSystemV1::IsThe ...
If use Remove Unused Bones from Skeleton, PoseAsset of the skeleton will be broken
UE - Anim - Runtime - Jul 10, 2019If user execute "Remove Unused Bones from Skeleton" on Skeleton where PoseAsset exists, the index held in FPoseData :: TrackToBufferIndex in PoseAsset will not be corrected, and it will refer to the ...
Trying to chord two buttons already mapped to actions to fire a third action when both are actuated fails.
UE - Gameplay - Input - Apr 14, 2022We're aiming to set up LT - action 1, RT - action 2, LT + RT - action 3 here. I don't think this is supported via chording at present. You'd need to handle it manually (probably via adding/removing ...
When painting on a landscape with edit layers, there are UV distortions happening across the boundaries of paint layers when material is using SetMaterialAttributes
UE - Graphics Tools - Terrain - Landscape - Mar 10, 2025Context Landscape Edit Layers enables users to paint landscapes using non-destructive layers, and can add multiple layers to the landscape that can be edited independently from each other. Problem ...
"Error Provision not found" even though the provision is present and valid in 4.13.1
UE - Platform - Mobile - Oct 31, 2016A few users are reporting on the Answer Hub and in the Forums that they are getting the following error in their output logs: "Error Provision not found" even though the provision is present and va ...
Nested code component causes ensure in blueprint's child blueprint
UE - Gameplay - Blueprint - Aug 25, 2017When a component class (base) contains a component property (Nested) adding the base component to a blueprint and changing the position of the component will update the base and nested components as ...
[CrashReport] Assertion failed: NewWorld | UE4Editor_Engine!UEngine::LoadMap()
UE - Gameplay - Nov 2, 2017This is a common and longstanding crash that has occurred since at least 4.15. Originally this was being tracked under [Link Removed] due to sharing the same callstack, but that had specific repro ...
Crash when making Android package in SlateTextShaper.cpp
UE - Editor - UI Systems - Slate - Apr 7, 2020Crash when outputting garbled text when creating Android package. It did not occur in my colleague's environment using English OS, but occurred in my environment using Japanese OS. This issue should ...
Solidworks exporter installation does not proceed
UE - Editor - Content Pipeline - Datasmith - Exporters - Dec 9, 20213 users reported the same issue. DEBUG: Error 2203: Database: 1031. Cannot open database file. System error -2147287038 or DEBUG: Error 2203: Database: 1036. Cannot open database file. System err ...
Incremental Cooks: Add dependencies on files loaded during Load/Save of the package
UE - Foundation - Data Pipeline - Cooker - Oct 19, 2022Iterative and Incremental cooking are supposed to recook packages when their "inputs" change. Most of the time inputs are the package file itself and the other package files on which it has dependen ...