function xprofile_admin_manage_group( $group_id = null ) {
	global $message, $type;

	// Get the field group.
	$group = new BP_XProfile_Group( $group_id );

	// Updating.
	if ( isset( $_POST['save_group'] ) ) {

		// Check nonce
		check_admin_referer( 'bp_xprofile_admin_group', 'bp_xprofile_admin_group' );

		// Validate $_POSTed data.
		if ( BP_XProfile_Group::admin_validate() ) {

			// Set the group name.
			$group->name = $_POST['group_name'];

			// Set the group description.
			if ( ! empty( $_POST['group_description'] ) ) {
				$group->description = $_POST['group_description'];
			} else {
				$group->description = '';
			}

			// Attempt to save the field group.
			if ( false === $group->save() ) {
				$message = __( 'There was an error saving the group. Please try again.', 'buddypress' );
				$type    = 'error';

			// Save successful.
			} else {
				$message = __( 'The group was saved successfully.', 'buddypress' );
				$type    = 'success';

				// @todo remove these old options
				if ( 1 == $group_id ) {
					bp_update_option( 'bp-xprofile-base-group-name', $group->name );
				}

				/**
				 * Fires at the end of the group adding/saving process, if successful.
				 *
				 * @since 1.0.0
				 *
				 * @param BP_XProfile_Group $group Current BP_XProfile_Group object.
				 */
				do_action( 'xprofile_groups_saved_group', $group );
			}

			xprofile_admin_screen( $message, $type );

		} else {
			$group->render_admin_form( $message );
		}
	} else {
		$group->render_admin_form();
	}
}