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

This worked for me without changing the ProviderManifestToken="2012" to 2008 in the .edmx file.

in the .edmx file, I changed the following value from True to False.

The "The provider did not return a ProviderManifest instance." error went away.