NuGet add reference error while installing packages

Question

I am not able to install any package by Nuget. For example when I want install entity framework I receive following error:

install-package EntityFramework
Su         


        

Answer 1

I ran into the same problem. I did the following:

update-package jQuery.

Install-Package Twitter.Bootstrap -Version 3.0.0

It worked , probably because the Bootstrap -version 3.0.0 work with the JQuery most recent version.