previous_posts_link wird nicht gefunden

<?php
/*
Template Name: Box-Ansicht
*/
?>


<?php get_header(); ?>


<?php get_sidebar(); ?>


   <div id="main">


      <div id="content">


         <?php if (have_posts()) : while (have_posts()) : the_post(); ?> 
                  <h2><?php the_title(); ?></h2>


            <div class="meta">
               <?php edit_post_link(__('Bearbeiten')); ?>
            </div>


         <?php endwhile; else: ?>
            <p><?php _e('Kein Eintrag in dieser Kategorie!'); ?></p>
         <?php endif; ?>


         <?php global $more; $more = 0; ?>
         <?php $orderby = get_post_meta($post->ID, 'orderby', true); ?>
         <?php $order = get_post_meta($post->ID, 'order', true); ?> 
         <?php $listCategory = get_post_meta($post->ID, 'category_name', true); ?>
         <?php query_posts( 'category_name='.$listCategory.'&orderby='.$orderby.'&order='.$order.'&paged='.$paged ); ?>
         
         <?php if (have_posts()) : while (have_posts()) : the_post(); ?>


         <div class="box">


            <div class="box_title" id="post-<?php the_ID(); ?>">
               <a href="<?php the_permalink() ?>" rel="bookmark"><?php the_title(); ?></a>
            </div>


            <div class="box_text">
               <?php 
                  if(has_post_thumbnail()) {
                 the_post_thumbnail('thumbnail'); }
               ?>
               <?php the_content(__('mehr...')); ?>
            </div>


         </div>
         <?php endwhile; else: ?>
            <p><?php _e('Kein Eintrag in dieser Kategorie!'); ?></p>
         <?php endif; ?>


         <span class="alignleft"><?php next_posts_link('n&auml;chste Seite &raquo;', '') ?></span>
         <span class="alignright"><?php previous_posts_link('&laquo;vorherige Seite', '') ?></span>


      </div>
   </div>


<?php get_footer(); ?>

<?php
/*
Template Name: Box-Ansicht
*/
?>


<?php get_header(); ?>
<?php $postid = get_the_ID(); ?>
<?php $posttitle = get_the_title(); ?>
<?php get_sidebar(); ?>


   <div id="main">
      <div id="content">




         <h2><?php echo $posttitle; ?></h2>
         <?php  global $more; $more = 0; ?>
         <?php $orderby = get_post_meta($postid, 'orderby', true); ?>
         <?php $order = get_post_meta($postid, 'order', true); ?> 
         <?php $listCategory = get_post_meta($postid, 'category_name', true); ?>
         <?php query_posts( 'category_name='.$listCategory.'&orderby='.$orderby.'&order='.$order.'&paged='.$paged ); ?>


         <?php if (have_posts()) : while (have_posts()) : the_post(); ?>


         <div class="box">
..... 
weiter wie oben
.....