[Solved] Your project is not referencing the ".NETFramework,Version=v4.6.1" framework. Add a reference to ".NETFramework,Version=v4.6.1" in the "frameworks" section of your project.json, and then re-run NuGet restore
[Solved] Your project is not referencing the ".NETFramework,Version=v4.6.1" framework. Add a reference to ".NETFramework,Version=v4.6.1" in the "frameworks" section of your project.json, and then re-run NuGet restore