The type 'Expression<>' is defined in an assembly that is not referenced

Question

In ASP.NET MVC 4.5.2 Framework.

after typing

@Html.LabelFor()
or 
@Html.EditorFor()

in view

I\'m getting Error: The

Answer 1

I had this problem too. Changing targetFramework="4.5.2" to targetFramwork="4.5" in web.config file solved it.