Visual Studio 2012 Web API project won't run - can't find Newtonsoft.Json

Question

After running a clean solution and rebuild, my MVC 4 Web API project stops working. It\'s can\'t find Newtonsoft.Json.

I know that MS is using this as the default JS

Answer 1

For me the only thing that fixed this error was to add the missing section to my web.config file, which I got from this answer here: https://stackoverflow.com/a/20414714/940783

Here is what I needed to add: