entity-framework visual-studio-2012 incompatibletypeerror

visual studio 2012 ultimate incompatible

I just installed Visual Studio 2012 Ultimate and then i Install Entity Framework using package manager console now when i open my project class library loaded successfully but my mvc web project not load It gives me the error

incompatible.

Solution

Is your WebProject MVC 1 or 2? If yes, then according to this article you should run an upgrade to MVC3.

If it is not, then this article mentions another way to open this project.

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