See patch in

https://myht.org/modules/ccenter/message.php?id=170&com_id=328&com_rootid=328&com_mode=flat&com_order=0#comment328

patch

// display
require_once XOOPS_ROOT_PATH.'/class/template.php' ;

//$tpl =& new XoopsTpl() ;

$tpl = new XoopsTpl() ;
$tpl->assign( array(
'adminmenu' => $adminmenu ,
) ) ;
$tpl->display( 'db:altsys_inc_mymenu.html' ) ;
} else {