Scaffolding controller doesn't work with visual studio 2013 update 3 and 4

Question

Im unable to scaffold a controller (MVC5 Controller with views, using Entity Framework) in Visual studio 2013 (update 3 and 4). The error message is below:

There was

Answer 1

Simple workaround that worked for me (after trying many other solutions suggested here and other places in vain...).

In the scaffolding dialog I just added a new DataContext e.g. TempContext. All the scaffolding worked as expected and then I could simply move the generated code in TempContext into my original DbContext and renamed the TempContext in the generated controllers to the original DbContext.