Attempt by security transparent method 'System.Web.Mvc.PreApplicationStartCode.Start()' to access security critical method 'System.Web.WebPages.Razor.PreApplicationStartCode.Start()' failed. code example

Example: Attempt by security transparent method 'System.Web.Mvc.PreApplicationStartCode.Start()' to access security critical method 'System.Web.WebPages.Razor.PreApplicationStartCode.Start()' failed.

Install-package Microsoft.AspNet.WebPages -version 2.0.30506
Install-Package Microsoft.AspNet.Razor -Version 2.0.30506