Description

A licensee has reported that UWorld::CleanupWorld is causing issues with assets in Sublevels if you build lighting on the parent level, save all of the maps, and then change to another level. The assets seem to be moved erratically (or disappear entirely, as in the repro above)

Regression?: Yes
This did not occur in 4.20.3 Binary

Steps to Reproduce
  1. Download the attached project
  2. Open the project
  3. Press the "Build" button to build lighting
  4. When Lighting is done building, press File > Save All and take note of the two cubes in the level
  5. Open EmptyLevel
  6. Open MainLevel
    Result: Both cubes, which were in the two sublevels, are missing (you should still see their shadow from the previous light build)
    Expected: The cubes are still visible.

Have Comments or More Details?

There's no existing public thread on this issue, so head over toAnswerHub just mention UE-70873 in the post.

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Fixed
ComponentTools
Affects Versions4.214.224.23
Target Fix4.23
Fix Commit6339960
Main Commit8614014
CreatedMar 1, 2019
ResolvedSep 18, 2019
UpdatedSep 19, 2019