Viewbag.Title error: One or more types required to compile a dynamic expression cannot be found. Are you missing a reference?

Question

I have an ASP.NET MVC 5 web application. In every .cshtml view file i get the following error for Viewbag: One or more types required to compile a dynamic expre

Answer 1

I do not have this problem when running VS 2012 as administrator.

Otherwise, what worked for me:

1. in root web config have added as recommended reference to correct assembly as child of compilation node </assemblies></compilation> </system.web>

2. set copy local = true properties for System.Core and Microsoft.CSharp