BuddyPress.org

You can force the link. Try:

	bp_core_new_subnav_item( array(
	    'name'            => 'Create Virtual Village',
	    'slug'            => 'create',
	    'parent_url'      => 'groups',
	    'parent_slug'     => 'groups',
	    'screen_function' => 'false',
	    'position'        => 50,
	    'link'            =>   get_option('siteurl') . '/groups/create/step/group-details/'
	    )
	);