title: "k ef" throwing exception in Visual Studio 2015 Package Manager Console
body: <p>I'm new to the Package Manager Console.  I have managed to install the KVM and am trying to create a migration in my ASP.NET 5 app.</p>
  
  <p>When I run "k ef" I get the following exception:</p>
  
  <pre><code>k.cmd : System.ArgumentNullException: Value cannot be null.
  At line:1 char:2
  + k &lt;&lt;&lt;&lt;  ef
      + CategoryInfo          : NotSpecified: (System.Argument...cannot be null.:String) [], RemoteException
      + FullyQualifiedErrorId : NativeCommandError
  
  Parameter name: appEnv
     at Microsoft.Data.Entity.Utilities.Check.NotNull[T](T value, String parameterName)
     at Microsoft.Data.Entity.Commands.Program..ctor(IServiceProvider serviceProvider, IApplic
  ationEnvironment appEnv, ILibraryManager libraryManager)
  </code></pre>
  
  <p>I'm in the correct folder, and I  have run <code>kpm restore</code>. I'm at a loss.</p>