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

Not sure if it is a Visual studio problem. Or just entity framework unable to recognize the provider manifest correctly. I got rid of the error by editing the edmx file and replacing 2012 with 2008 in the