Building Or Deleting HLODs Fail Instantly

Summary

HLODs fail when I build or try to delete

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Other

Steps to Reproduce

open a project and Builds HLODs

Expected Result

It should take a few minutes then HLODs are built

Observed Result

after a few seconds i get a message saying it failed

Platform(s)

windows

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a few logs:

WorldPartitionHLODsBuilder-00008634-2026-04-18T00.08.03.046Z.log (1.2 MB)

WorldPartitionHLODsBuilder-0001411c-2026-04-17T12.17.12.426Z.log (1.2 MB)

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hey @Flak i was wondering if you could have someone look into the logs i posted here to see if i can possibly fix this issue on my side or if it could only be fixed on epics side? sorry for the direct @ i just have a few projects that really need HLODs so i can finally release them…

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It looks like this is scheduled to be fixed in 40.40. The ticket should be updated soon. If it doesn’t get fixed after 40.40, please ping me. The ticket associated with this thread will be closed as a duplicate of one of our internal tickets.

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FORT-1090420 has been ‘Closed’ as a duplicate of an existing known issue. Origin Issue: FORT-1078803, Origin Topic: Project Is Broken Internally.

thank you so much for the update will do! hope you have a wonderful rest of your day <3

Do you have URC enabled? Because in projects where I’ve disabled it, the HLOD build does NOT fail