# UnrealLightmassBuildErrorC1083

**URL:** <https://forums.unrealengine.com/t/unreallightmassbuilderrorc1083/424130>\
**Category:** Rendering\
**Tags:** error, Lightmass, unreal-engine, compile-error, CPP, question\
**Created:** [May 2, 2018, 8:02am UTC](https://forums.unrealengine.com/t/unreallightmassbuilderrorc1083/424130 "2018-05-02T08:02:33Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Angus8496](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Angus8496](https://forums.unrealengine.com/u/Angus8496)\
**Post date:** [May 2, 2018, 8:02am UTC](https://forums.unrealengine.com/t/unreallightmassbuilderrorc1083/424130/1 "2018-05-02T08:02:33Z")

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I’m following this wiki to compile the UnrealTournament source.

> **[A new, community-hosted Unreal Engine Wiki](https://forums.unrealengine.com/t/a-new-community-hosted-unreal-engine-wiki/141494)**
>
> After over a year in maintenance mode, the official Unreal Engine Wiki is now permanently offline. These resources now live on a new community-run Unreal Engine Community Wiki — ue4community.wiki! You will be able to find content from the official...

But I got error c1083 when i try to compile UnrealLightmass.  
It say cannot open include file: ‘metahost.h’ .

 ![239587-c1083-01.jpg](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/f/7/2f7e49f4f8bdd525f3acdd3d7d90f4866303785e.jpeg)

I try google some solution, but still no working even i changed the dotnet settings.

[https://blogs.msdn.microsoft.com/calvin\_hsia/2017/02/13/cannot-open-include-file-metahost-h-no-such-file-or-directory/](https://blogs.msdn.microsoft.com/calvin_hsia/2017/02/13/cannot-open-include-file-metahost-h-no-such-file-or-directory/)

 ![239588-c1083-02.jpg](https://d3kjluh73b9h9o.cloudfront.net/original/4X/f/c/0/fc00d4492446f6c566fb7b5ddb213d4aeefc94b4.jpeg)

Any suggestions?

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**Author:** ![e.alemdar](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@e.alemdar](https://forums.unrealengine.com/u/e.alemdar)\
**Post date:** [February 12, 2023, 3:37pm UTC](https://forums.unrealengine.com/t/unreallightmassbuilderrorc1083/424130/2 "2023-02-12T15:37:15Z")

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I am facing the same issue. Did you find a solution?