-// First fix all main menus (what='')...
-$result_fix = SQL_QUERY("SELECT id, action FROM "._MYSQL_PREFIX."_admin_menu WHERE what='' AND action != 'logout' ORDER BY sort ASC", __FILE__, __LINE__);
+// First fix all main menus (what="")...
+$result_fix = SQL_QUERY("SELECT id, action FROM "._MYSQL_PREFIX."_admin_menu WHERE (what='' OR what IS NULL) AND action != 'logout' ORDER BY sort ASC", __FILE__, __LINE__);