I am using EF5 beta1 and while I was able to run the \"Update-Database\" before. Now that I shut down Visual Studio, I cannot get it to run. I get the following error:
In my case:
But I found an article where suggestion was to manualy import missing EF package, using PM Conole:
Import-Module .\packages\EntityFramework.X.X.X\tools\EntityFramework.psm1
And this solution solved my problem.