Can anyone spot why I keep getting this error testing the EF 5 beta

Question

Installed visual studio 11 beta as wanted to test EF 5 beta but keep hitting this an error.

Method not found: \'Void System.Data.Objects.ObjectContext

Answer 1

Make sure you have .net 4.5 installed on your target system. I had the same message, turned out I didn't have .net 4.5 installed on one of my farm servers.