MySQL Error!

<?php
if(!defined('DATALIFEENGINE')){ die("Hacking attempt!"); }
$informer_view_news = dle_cache("informer_view_news", $config['skin']);
if (!$informer_view_news) {
    

$no_img = '{THEME}/images/'. $noimg;

$template = (!isset($template) ? $skin.'.tpl' : $template);
$tpl_result_name = 'skins';


$this_month = date( 'Y-m-d H:i:s', $_TIME );

if ($sort=='last')
$db->query( "SELECT id, title, date, alt_name, xfields, news_read, short_story, category, flag FROM " . PREFIX . "_post WHERE approve='1' AND category IN ($cat) ORDER BY date DESC, date DESC LIMIT 0,$nnumm" );

if ($sort=='topnews') 
$db->query( "SELECT id, title, date, alt_name, xfields, news_read, short_story, category, flag FROM " . PREFIX . "_post WHERE approve='1' AND category IN ($cat) AND date >= '$this_month' - INTERVAL $interval AND date < '$this_month' ORDER BY rating DESC, comm_num DESC, news_read DESC, date DESC LIMIT 0,$nnumm" );


while ( $row = $db->get_row() ) {
    $tpl->load_template($template);
    
    
    if( strlen( $row['title'] ) > $title_drop ) $title = substr( $row['title'], 0, $title_drop ) . " ...";
    else $title = $row['title'];
    
    $short_story = $row['short_story'];
    $date = $row['date'];
    
        if (stripos ( $tpl->copy_template, "{image-" ) !== false) {

            $images = array();
            preg_match_all('/(img|src)=("|\')[^"\'>]+/i', $row['short_story'], $media);
            $data=preg_replace('/(img|src)("|\'|="|=\')(.*)/i',"$3",$media[0]);

            foreach($data as $url) {
                $info = pathinfo($url);
                if (isset($info['extension'])) {
                    $info['extension'] = strtolower($info['extension']);
                    if (($info['extension'] == 'jpg') || ($info['extension'] == 'jpeg') || ($info['extension'] == 'gif') || ($info['extension'] == 'png')) array_push($images, $url);
                }
            }

            if ( count($images) ) {
                $i=0;
                foreach($images as $url) {
                    $i++;
                    $tpl->copy_template = str_replace( '{image-'.$i.'}', $url, $tpl->copy_template );
                }

            } else {
                    $tpl->copy_template = str_replace( '{image-1}', $no_img, $tpl->copy_template );
            };

            $tpl->copy_template = preg_replace( "#\\{image-(.+?)\\}#i", "", $tpl->copy_template );

        };


    
    $short_story = strip_tags($short_story, '');
    
    $short_story = str_replace('&nbsp;',' ', $short_story);
    
    
    if( strlen( $short_story ) > $text_drop ) $short_story = substr( $short_story, 0, $text_drop ) . " ...";
    
    
    $alt_title = $row['title'];
    
    $full_link = $config['http_home_url'] . $row['id'] . "-" . $row['alt_name'] . ".html";
        

    $tpl->set( '[full-link]', "<a href=\"" . $full_link . "\">" );
    $tpl->set( '[/full-link]', "</a>" );
    
    $tpl->set( '[xfgiven_img]', "" );
    $tpl->set( '[/xfgiven_img]', "" );
    

            
    $tpl->set('{title}', $title);
    $tpl->set('{poster}', $preview);
    $tpl->set('[xfvalue_img]', $preview);
    $tpl->set('{alt_title}', $alt_title);
    $tpl->set('{short-story}', $short_story);
    $tpl->set('{full_link}', $full_link);
    $tpl->set('{date}', $date);
    $tpl->compile($tpl_result_name);
    $tpl->clear();
};




print $tpl->result[$tpl_result_name];

unset($tpl->result[$tpl_result_name]);

$db->free();
    create_cache ("informer_view_news", $informer_view_news, $config['skin']);
    }
?>