Ошибка "Query was empty"

<?php
$host2 = ''; //Адрес хоста
$login2 = ''; //Логин
$pass2 = ''; //Пароль
$dbName2 = ''; //Имя базы
$url = ''; //сайт
$connectHL2 = mysql_connect ($host2,$login2,$pass2);
$result = mysql_query($sql) || die(mysql_error()); 
 
mysql_select_db($dbName2, $connectHL2);
mysql_query('SET NAMES utf8');
$result=mysql_query('SELECT player_nick,bid,player_id,admin_nick,ban_reason,ban_created,ban_length,server_name FROM amx_bans ORDER BY bid DESC LIMIT 1');
while ($row = mysql_fetch_array($result)) {
 
$time = date( 'd.m.Y H:i',$row['ban_created']);
 
$currenttime = $row['ban_length'];
$days = floor($currenttime / 1440);
$hours = floor(($currenttime - $days*1440)/ 60 ); 
$min = floor($currenttime - $hours*60 - $days*1440);
if($days) 
{
$currenttime = "" . $days . " дней " . $hours . " часа " . $min . " минут";
}
else if($hours)
{
$currenttime = "" . $hours . " часа и ".$min." минут";
}
else
{
$currenttime = $row['ban_length'].' минут';
}
$nameserver = $row['server_name'];
 
$pos = strpos($row['server_name'], '(');
$nameserver = substr($row['server_name'],0,$pos-1);
 
$bans='
<div class="ipsSideBlock clearfix">
<h3 >Последний бан</h3>
<div class="_sbcollapsable">
<table class="table table-striped table-bordered table-condensed">
<thead>
<tr>
<th colspan="2"><font color="#DAA520"><b>'.$nameserver.'</b></font></th>
</tr>
</thead>
<tbody>
<tr>
<th><font color="white"><b>Игрок</b></font></th><td>'.$row['player_nick'].'</td>
</tr>
<tr>
<th><font color="white"><b>Steam id</b></font></th><td>'.$row['player_id'].'</td>
</tr>
<tr>
<th><font color="white"><b>Причина</b></font></th><td>'.$row['ban_reason'].'</td>
</tr>
<tr>
<th><font color="white"><b>Срок</b></font></th><td>'.$currenttime.'</td>
</tr>
<tr>
<th><font color="white"><b>Истекает</b></font></th><td>'.$time.'</td>
</tr>
<th><font color="white"><b>Админ</b></font></th><td>'.$row['admin_nick'].'</td>
</tr>
<tr>
<th colspan="2"><a href="'.$url.'?bid='.$row['bid'].'" target="_blank"><font color="#A6C7D7">Перейти к бану</font></a></th>
</tr>
</tbody><tbody>
</tbody></table></div></div>
';
}
?>