Unreal 5.5 C++ Project won't compile

I wanted to move my horror project Agency 13 to new Unreal Engine version 5.5. Since it is officially released, I downloaded, created test project and... It didn't compile, I got this error:

Error (active)	NETSDK1064	Package System.Data.DataSetExtensions, version 4.5.0 was not found. 
It might have been deleted since NuGet restore. 
Otherwise, NuGet restore might have only partially completed, 
which might have been due to maximum path length restrictions.
RunMutableCommandlet.Automation	
C:\Program Files\dotnet\sdk\8.0.403\Sdks\Microsoft.NET.Sdk\targets\Microsoft.PackageDependencyResolution.targets	266

And nothing wrong was with my packages... The solution was simple. I just unchecked "Read Only" from UE5_5 folder.

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