Targeting specific instane of wp_list_pages

Simply add the filter before the call and remove it afterward something like this

<ul id="headerlinks"> 
<?php 
 add_filter('wp_list_pages', 'add_markup_pages'); 
wp_list_pages('title_li=&include=24,26,28,30'); 
 remove_filter('wp_list_pages', 'add_markup_pages'); 
?> </ul>

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)