title: Enable-Migrations error when trying to run the command
body: <p>I am trying to run the command Enable-Migrations in the NuGet console but I keep getting the following error</p>
  
  <pre><code>    PM&gt; enable-migrations
  System.ArgumentException: The parameter is incorrect. (Exception from HRESULT: 0x80070057 (E_INVALIDARG))
  
  Server stack trace: 
     at EnvDTE.Properties.Item(Object index)
     at System.Runtime.Remoting.Messaging.StackBuilderSink._PrivateProcessMessage(IntPtr md, Object[] args, Object server, Object[]&amp; outArgs)
     at System.Runtime.Remoting.Messaging.StackBuilderSink.SyncProcessMessage(IMessage msg)
  
  Exception rethrown at [0]: 
     at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
     at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData&amp; msgData, Int32 type)
     at EnvDTE.Properties.Item(Object index)
     at System.Data.Entity.Migrations.Extensions.ProjectExtensions.GetPropertyValue[T](Project project, String propertyName)
     at System.Data.Entity.Migrations.MigrationsDomainCommand.GetFacade(String configurationTypeName, Boolean useContextWorkingDirectory)
     at System.Data.Entity.Migrations.EnableMigrationsCommand.FindContextToEnable(String contextTypeName)
     at System.Data.Entity.Migrations.EnableMigrationsCommand.&lt;&gt;c__DisplayClass2.&lt;.ctor&gt;b__0()
     at System.Data.Entity.Migrations.MigrationsDomainCommand.Execute(Action command)
  The parameter is incorrect. (Exception from HRESULT: 0x80070057 (E_INVALIDARG))
  </code></pre>