CHROMA – Laser Arena Fab assets cause UEFN server-side cook failures

General Issues and Bug Reporting
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Summary

CHROMA – Laser Arena assets from Fab cause the project cook to fail due to missing module/dependency errors. Removing the assets allows the project to cook and launch normally.

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Assets

Steps to Reproduce

1.Open a UEFN project that otherwise cooks successfully.

2.Add a fresh asset from the CHROMA – Laser Arena Fab pack (Laser Column can be used as an example).

  1. Save the project.

  2. Launch Session.

  3. Server-side cooking fails with a missing module/dependency error.

  4. Remove the CHROMA asset and save.

  5. Launch Session again.

  6. Project cooks and launches successfully.

Expected Result

CHROMA – Laser Arena assets should cook successfully and allow the UEFN session to launch

Observed Result

Adding a CHROMA – Laser Arena asset causes the server-side cook to fail. Removing the asset resolves the cook failure and allows the session to launch.

Platform(s)

Windows / PC

Additional Notes

Removing all 137 CHROMA – Laser Arena assets from the project allowed the map to cook successfully. I then placed one fresh asset from the pack to test, and the cook immediately failed again. Removing that asset restored successful cooking. The pack was working normally the previous night, and the issue first appeared today.