EntityFramework error: The provider did not return a ProviderManifest instance

Question

My project is using ASP.NET MVC4, in C# with Visual Studio 2012 for Web Express.

When compiling my project, I have the following error:

The pr

Answer 1

Download http://www.microsoft.com/en-us/download/details.aspx?id=40762 and update Nuget EF to 6.1.3 and everything will work just fine.