ERROR IN SUGARVIEW.PHP

error : Notice: Undefined index: Todos in /home/expomund/public_html/include/MVC/View/SugarView.php on line 646


636 if(!empty($sugar_config[ā€˜lock_homepageā€™]) && $sugar_config[ā€˜lock_homepageā€™] == true) $ss->assign(ā€˜lock_homepageā€™, true);
//this code is used to hide the all tab

	    unset($groupTabs['Todos']);
		$ss->assign("groupTabs",$groupTabs);
		$ss->assign("groupTabs",$groupTabs);
        $ss->assign("shortcutTopMenu",$shortcutTopMenu);
        $ss->assign('USE_GROUP_TABS',$usingGroupTabs);

645 // This is here for backwards compatibility, someday, somewhere, it will be able to be removed
646 $ss->assign(ā€œmoduleTopMenuā€,$groupTabs[$app_strings[ā€˜LBL_TABGROUP_ALLā€™]][ā€˜modulesā€™]);
647 $ss->assign(ā€œmoduleExtraMenuā€,$groupTabs[$app_strings[ā€˜LBL_TABGROUP_ALLā€™]][ā€˜extraā€™]);