This is an ASP.NET MVC 3 exception message. What it says? What should I do?
OK, I have this code:
@{ Layout = \"~/_Layout.cshtml\"; Page.Title
usually this error occurs if you do not write code for the section which is required by your master layout-page
Reference: https://ziaahmedshaikh.wordpress.com/2016/02/17/the-following-sections-have-been-defined-but-have-not-been-rendered-for-the-layout-page/