Unhandled Exception: System.NullReferenceException: Object reference not set to an instance of an object
in <0x00000> <unknown method>
in (wrapper managed-to-native) Gtk.Application:gtk_main ()
in <0x00007> Gtk.Application:Run ()
in <0x00468> MonoDevelop.Commands.StartWorkbenchCommand:Run ()
in <0x00a8e> MonoDevelop.SharpDevelopMain:Main (System.String[] args)