EF 6 System.Data.Objects.ObjectContext Error

Question

I recently upgraded from Entities Framework 5 to Entities Framework 6 Alpha 2 and I am getting the following error:

Method not found: \'System.Data.Ob

Answer 1

For me updating these below worked:
using System.Data.Objects; --> using System.Data.Entity.Core.Objects;

using System.Data.Objects.DataClasses; --> using System.Data.Entity.Core.Objects.DataClasses;