Expression of type 'System.Web.Mvc.MvcWebRazorHostFactory' cannot be used for return type 'System.Web.WebPages.Razor.WebRazorHostFactory'

Question

I am getting this error when I try to run a project that I took over.

I assume I have a problem in my web.config, but I don\'t know what to look for.

Answer 1

Try to replace line in Web.Config

to

(set MvcWebRazorHostFactory to version 4.0.0.0)