Newly placed objects vanish above a certain Z coordinate

Game mode: Single-player
Type of issue: Bug
Server type: N/A
Region: N/A
Mods?: Yes, but bug can be reproduced without mods
Edition: Steam


Bug Description:

Newly placed objects vanish above a certain Z coordinate.

Background info:
I built a very high tower near the Tower of Siptah. The Z coordinate of the top floor is 5839.314453
When I place decoration (both modded and vanilla) on this floor, the placed decoration vanishes
when I start up the game and enter the game world next time.
Newly placed decorations do not vanish on the next lower floor of my tower (Z coordinate = 4559.31543).

Tested with and without mods, placing various objects (furniture, rugs, etc.)


Steps to Reproduce:

Please provide a step-by-step process of how the bug can be reproduced. Please be as detailed as possible; the more details, the easier it will be for us to find and fix the bug:

  1. Step 1
    Build a tower that has a floor at Z = 4500 and another floor at Z = 5800.
  2. Step 2
    Place decors and other placeables on both floors
  3. Step 3
    Shut down the game. Start it up again and enter the game world.
    The decoration placed on the higher floor will have vanished. (Sometimes I was able to catch a glimpse of their outlines with the usual “washed out” texture before they vanished.)

Greetings,

Thank you for your report. Would you be able to share your saved game with us?
If possible, upload the file to Google drive or a similar platform and send the link to us.

Feel free to reach out in private via direct message if you prefer.

Thanks in advance!