Changes I make are now only visible in session for some reason(I can't see them in the Editor)

General Issues and Bug Reporting
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1

Summary

When I make a change to the map, the editor can initially see it. When I restart the editor, however, all of the changes are gone. When I load into a session, I can see all of the changes that I made, but it’s incredibly frustrating and frankly makes it near impossible to effectively keep working on this game.

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Assets

Steps to Reproduce

  1. Load into this specific UEFN project
  2. Open a session and make changes to the map
  3. Save and restart UEFN
  4. All props placed in previous session are not visible in the editor.

Expected Result

All props placed should be visible in the editor.

Observed Result

All props placed are not visible in the editor.

Platform(s)

Windows 11

Island Code

2306-3116-7804

Upload an image

image_2026-07-24_165215762.png
image_2026-07-24_165215762.png2603×1141 4.31 MB

Additional Notes

I tried copying this level to a new project and the issue persisted.

2

You must go to world partition window and load the area. Only things that are not spatial loaded stays always visible.
This is optimization to not needing to load everything at once to have more performance on the editor