The type or namespace name 'Optimization' does not exist in the namespace 'System.Web'

Question

I am deploying a new website as my main site and it works beautifully.

All of my applications under the root url work as well, except for one. It is a legacy system (c#

Answer 1

Main to Area

@Html.ActionLink("My Area Home", "Index", "Home", new { area = "MyArea" }, null)

Area to Main

@Html.ActionLink("Home", "Index", "Home", new { area = "" }, null)