MENU_HELPER_SUBMENU_BACK_YES
in custom/menu_helper/menu_helper_submenu/menu_helper_submenu.module
<?php
define('MENU_HELPER_SUBMENU_BACK_YES', 1);
?>
in custom/menu_helper/menu_helper_submenu/menu_helper_submenu.module
<?php
define('MENU_HELPER_SUBMENU_BACK_YES', 1);
?>