# UE5.5 - Package Empty project works / Package Matrix city 5.5 - SDK error

**URL:** <https://forums.unrealengine.com/t/ue5-5-package-empty-project-works-package-matrix-city-5-5-sdk-error/2152307>\
**Category:** Getting Started & Setup\
**Tags:** unreal-engine\
**Created:** [November 26, 2024, 4:39pm UTC](https://forums.unrealengine.com/t/ue5-5-package-empty-project-works-package-matrix-city-5-5-sdk-error/2152307 "2024-11-26T16:39:10Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![2350lev](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@2350lev](https://forums.unrealengine.com/u/2350lev)\
**Post date:** [November 28, 2024, 11:19pm UTC](https://forums.unrealengine.com/t/ue5-5-package-empty-project-works-package-matrix-city-5-5-sdk-error/2152307/3 "2024-11-28T23:19:17Z")

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> **[Packaging Unreal Engine Projects | Unreal Engine 5.5 Documentation | Epic...](https://dev.epicgames.com/documentation/en-us/unreal-engine/packaging-unreal-engine-projects?application_version=5.5)**
>
> Packaging Unreal game projects for distribution.

disabled FAB plugin 0.1 experimental (error: working to slow)  
copy hostfxr.dll to  
D:\Epic Games\UE\_5.5\Engine\Binaries\DotNET\UnrealBuildTool  
D:\Epic Games\UE\_5.5\Engine\Binaries\DotNET\AutomationTool

I found this SOLUTION, but THEN I get NEW error NUGET =)

> [@AutomatedPerfTesting plugin does not build when building city-sample in ue5.5](https://forums.unrealengine.com/t/automatedperftesting-plugin-does-not-build-when-building-city-sample-in-ue5-5/2134722):
>
> I created a city sample project and built it with ue5.5. I can’t update the windows-sdk. It seems that the AutomatedPerfTesting plugin is the cause. [UE\_5.5/Engine/Plugins/Performance/AutomatedPerfTesting/Build/Scripts/] Not Found : AutomatedPerfTestConfig.cs , AutomatedPerfTestNode.cs Using bundled DotNet SDK version: 8.0.300 UATHelper: Installing SDK (Windows): C:\Users\syui\Documents\Unreal Projects\yui\Build\Scripts\CSC(0,0): error CS2001: Source file 'C:\Program Files\Epic\UE\_5.5\Engine\…

login to github  
connect github and epic account

download 3 files  
([https://github.com/EpicGames/UnrealEngine/tree/release/Engine/Plugins/Performance/AutomatedPerfTesting/Build/Scripts](https://github.com/EpicGames/UnrealEngine/tree/release/Engine/Plugins/Performance/AutomatedPerfTesting/Build/Scripts))  
TO  
D:\Epic Games\UE\_5.5\Engine\Plugins\Performance\AutomatedPerfTesting\Build\Scripts

THEN NEW Error NUGET  
UATHelper: Packaging (Windows): D:\Epic Games\UE\_5.5\Engine\Source\Programs\Shared\EpicGames.IoHash\EpicGames.IoHash.csproj(0,0): error NU1301: Unable to load the service index for source [https://api.nuget.org/v3/index.json](https://api.nuget.org/v3/index.json). (D:\Unreal Projects\CitySample\Build\Scripts\CitySample.Automation.csproj)

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