I'm trying to do some simple packaging using the courier command line (on umbraco 4.11.4 with Courier_2.7.3_2.7.3.39) using the following:

private static void Main(string[] args)
        {
            var baseDirectory = AppDomain.CurrentDomain.BaseDirectory;
            TypeResolver.LoadAssembliesIntoAppDomain(Path.Combine(baseDirectory, "Plugins"), "*.dll");
            Context.Current.SettingsFilePath = Path.Combine(baseDirectory, @"Config\courier.config");

            // This is the directory where revisions are located.
            Context.Current.BaseDirectory = @"C:\Temp\Courier\Revisions";

            Context.Current.HasHttpContext = false;

            var repositoryStorage = new RepositoryStorage();
            var source = repositoryStorage.GetByAlias("Source");
            repositoryStorage.Dispose();

            var engine = new RevisionPackaging("TestRevision") {Source = source};
            engine.AddAllProvidersToQueue(true);
            engine.Package();
        }

I have a simple courier.config, with the only items of significance being my repository:

<repositories>
    <repository name="Source" alias="Source" type="CourierWebserviceRepositoryProvider" visible="true">
      <url>http://test.local</url>;
      <login>admin</login>
      <password>1234</password>
    </repository>
  </repositories>

The code executes ok and everything seems initialized ok until I get to engine.Package() at which point I get the following exception:

System.Collections.Generic.KeyNotFoundException was unhandled

  HResult=-2146232969

  Message=The given key was not present in the dictionary.

  Source=mscorlib

  StackTrace:

       at System.Collections.Generic.Dictionary`2.get_Item(TKey key)

       at Umbraco.Courier.Core.PersistenceManager.get_Default()

       at Umbraco.Courier.RepositoryProviders.Local.OpenSession(String key)

       at Umbraco.Courier.Core.Packaging.RevisionPackaging.#Gb()

       at Umbraco.Courier.Core.Packaging.RevisionPackaging.Package()

       at Courier2.Program.Main(String[] args) in c:\Users\Jonny.Irwin\Documents\Visual Studio 2012\Projects\Courier2\Courier2\Program.cs:line 29

       at System.AppDomain._nExecuteAssembly(RuntimeAssembly assembly, String[] args)

       at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)

       at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()

       at System.Threading.ThreadHelper.ThreadStart_Context(Object state)

       at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)

       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)

       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)

       at System.Threading.ThreadHelper.ThreadStart()

  InnerException: 

Has anyone any ideas?  I have my test site running on SQL CE in case that's an issue.