When trying to add the hack listed in this question: Entity Framework Provider type could not be loaded? at this answer: https://stackoverflow.com/a/19130718/261405 , I kept getting this error: Namespace name 'SqlServer' does not exist in the namespace 'System.Data.Entity
I was able to get the error to go away after updating my projects from Entity Framework 6.0.2 to 6.1.0.
Basically did this for all projects:
PM> Install-Package EntityFramework
And it started magically working. I hope this helps someone else avoid the frustration that I had.
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