Ошибка "Error" в шаблонах сайта. Как решить?

if ($_REQUEST['skin_name'] != '' AND @is_dir ( ROOT_DIR . '/templates/' . $_REQUEST['skin_name'] ) ) {
                $config['skin'] = $_REQUEST['skin_name'];
                set_cookie ( "dle_skin", $_REQUEST['skin_name'], 365 );
        }

if ($_REQUEST['skin_name'] != '' AND @is_dir ( ROOT_DIR . '/templates/' . $_REQUEST['skin_name'] ) ) {
                $config['skin'] = $_REQUEST['skin_name'];
                set_cookie ( "dle_skin", $_REQUEST['skin_name'], 365 );
                $return_url=getenv("HTTP_REFERER");
                header( 'Location: '. $return_url, 303 );
        }

<?php
include 'connectBd.php';
$i=0;
$query="SELECT * FROM dle_post";
    $result = mysql_query($query);
while ($row = mysql_fetch_assoc($result)) {
	$i++;
	print_r($row);
	$tegi=explode(',',$row[tags]);
	foreach($tegi as $teg){
		$query1=	"INSERT INTO `dle`.`dle_tags` (`id`, `news_id`, `tag`) VALUES (NULL, '".$row[id]."', '".trim($teg)."')";
	    mysql_query($query1);
	}
	unset($tegi);
/**if($i>5){
break;
}	**/
}
?>