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 =)
login to github
connect github and epic account
download 3 files
(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. (D:\Unreal Projects\CitySample\Build\Scripts\CitySample.Automation.csproj)