# FAILED TO BUILD HLODS

**URL:** <https://forums.unrealengine.com/t/failed-to-build-hlods/2025451>\
**Category:** Rendering\
**Tags:** fortnite-creative, unreal-editor-for-fortnite, editor, question, fortnite\
**Created:** [September 18, 2024, 2:59am UTC](https://forums.unrealengine.com/t/failed-to-build-hlods/2025451 "2024-09-18T02:59:28Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Hardcawcanary](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/hardcawcanary/32/906569_2.png) [@Hardcawcanary](https://forums.unrealengine.com/u/Hardcawcanary)\
**Post date:** [September 18, 2024, 6:15am UTC](https://forums.unrealengine.com/t/failed-to-build-hlods/2025451/2 "2024-09-18T06:15:49Z")

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I get build fails and now do this to get around it.

Make a new HLOD layer in Content Browser  
Delete old HLOD layer, replace references to new HLOD layer, DON’T save …  
Build Landscape  
Double click level thumbnail in Content Browser  
Build HLODs  
Launch Session.

But latest update is triggering validation fix messages on Launch, still builds HLODs and load into the play/edit session, but on UEFN side the new fix button is not working… about to do Jimbohalo10’s suggestion here

> [@31.20 \[Solved\] UEFN Fix Validation Error pop up wont "Run"](https://forums.unrealengine.com/t/31-20-uefn-fix-validation-error-pop-up-wont-run/2024338):
>
> Summary When you get a validation error from the new validation checks the popup Fix Validation errors does not do anything when you click “Run” Please select what you are reporting on: Unreal Editor for Fortnite What Type of Bug are you experiencing? Assets Steps to Reproduce Open your UEFN project from 31.00 in 31.20 Try and Launch your project. Validation error occurs The pop-up “Fix Validation errors” does not do anything when you click “Run” Expected Result The pop-up “Fix Validation …

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