MVC “Add Controller” is “Unable to Retrieve Metadata…Config System Failed to Initialize”

Question

From scratch, I made a new solution with two projects: one was MVC 3 and the other a supporting EF 4.2 project. The whole thing builds successfully. From the MVC project I

Answer 1

I had installed EF 6 which added:

In my config file. I had other scaffolding issues and so decided to fall back to Ef 5. After uninstalling EF 6 and reinstalling EF 5 I deleted the from the config and then I was able to build my new controller. I discovered this by using the

PM> Update-Database –Verbose