Как вывести сообщение если нет закладок в модуле uFav v2.0?

<?php
/*
=====================================================
 Файл: uFav.php
-----------------------------------------------------
 Назначение: Вывод блока с закладками
-----------------------------------------------------
 © sTee & uFlex (www.zagruzka-up.ru)
=====================================================
*/

if (!defined('DATALIFEENGINE')) {
    die("Hacking attempt!");
}
//==========================================================================
$m = "20"; //Длинна заголовка
$v = "25"; //Длинна описания
$f = "5"; //Количество публикаций
$n = "<div class='errorfav'>Здесь будут отображаться приложения, которые вы добавили в <a href='/favorites'>Избранное</a>.</div>"; //Если у юзера нету закладок
//==========================================================================

if (!defined('DATALIFEENGINE')) {
    die("Hacking attempt!");
}

$is_change = false;

if( !$config['allow_cache'] ) {
    $config['allow_cache'] = 1;
    $is_change = true;
}

$uFav = dle_cache("uFav", $config['skin']);

if (count(explode(",", $member_id['favorites'])) > 0) {
    $db->query("SELECT * FROM " . PREFIX . "_post WHERE id IN ({$member_id['favorites']}) ORDER BY date DESC LIMIT 0,$f");

    while ($row = $db->get_row()) {
        $message = substr(stripslashes(strip_tags($row['short_story'], '')) , 0, $v) . "...";
        if (dle_strlen($row['title'], $config['charset']) > $m) {
            $title = dle_substr($row['title'], 0, $m, $config['charset']) . "...";
        } else {
            $title = $row['title'];
        }
        $shortnews = $row['short_story'];
        $noscreen = $s;

        if ($member_id['favorites']) {
            $favorites = count(explode(",", $member_id['favorites']));
        } else $favorites = '0';

        if (preg_match_all('#]*\\ssrc=(\'|")(.*?)\\1.*?>#i', $shortnews, $total)) foreach ($total[2] as $shortnews) {
            $tpl->set('{screen}', $shortnews);
        } else {
            $tpl->set('{screen}', $noscreen);
        }

        $tpl->load_template('ufav_skin.tpl');

        $tpl->set('[delete]', "<a id=\"fav-id-{$row['id']}\" href=\"$PHP_SELF?do=favorites&doaction=del&id={$row['id']}\">");
        $tpl->set('[/delete]', "</a>");
        $tpl->set('{news_id}', $row['id']);
        $tpl->set('{url-link}', $config["http_home_url"] . "index.php?newsid=" . $row['id']);
        $tpl->set('{title}', $title);
        $tpl->set('{text}', $shortnews);
        $tpl->set('{message}', $message);
        $tpl->compile('uFav');
        $tpl->clear();
    }
    $db->free();

    create_cache("uFav", $uFav, $config['skin']);
    echo $tpl->result['uFav'];
} else {
    echo $n;
}

if ($is_change) $config['allow_cache'] = 0;
?>

MySQL Error!
MySQL error in file: /engine/modules/uFav.php at line 36
Error Number: 1064
The Error returned was:
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') ORDER BY date DESC LIMIT 0,5' at line 1
SQL query:

SELECT * FROM dle_post WHERE id IN () ORDER BY date DESC LIMIT 0,5

<!-- Закладки -->
[not-group=5]
<div class="block top_block">
   <h4 class="title"><b>Закладки</b></h4>
   <ul class="lastcomm">
      [fav]{custom id="fav" available="main" from="0" template="modules/myfav" limit="5" order="date" sort="desc" cache="yes"}[/fav]
   </ul>
      [no-fav]Вы ничего не вносили в свои закладки[/no-fav] 
</div>
[/not-group]
<!-- / закладки -->

if ($member_id['favorites']) {
	$tpl->set( '[fav]', "" );
	$tpl->set( '[/fav]', "" );
	$tpl->set_block( "'\\[no-fav\\](.*?)\\[/no-fav\\]'si", "" );
} else {
	$tpl->set( '[no-fav]', "" );
	$tpl->set( '[/no-fav]', "" );
	$tpl->set_block( "'\\[fav\\](.*?)\\[/fav\\]'si", "" );	
}

<li>
	<a href="{full-link}" title="{title}">
		<svg class="icon icon-coms"><use xlink:href="#icon-coms"></use></svg>
		<span>{title}</span>
	</a>
</li>