<feature> tag issue with webworks for blackberry

I have a an application for Blackberry Webworks that contains a menu entry in one screen. I have added the blackberry.ui.menu feature to the config.xml and it works great. The issue comes when I then add the feature blackberry.ui.dialog. The menu entry doesn't show anymore. Adding other features different开发者_如何学Go from dialog doesn't break it.

Why is this happening? How can I keep my menu entry and also use the dialog feature?

You must declare the feature element(s) below in your configuration document:

Check the following link for help http://www.blackberry.com/developers/docs/webworks/api/blackberry.ui.dialog.html