최신버젼 다운 받아 설치했는 쪽지 갯수가 나오지 않아요.

<a href="javascript:win_memo();">
<?
$sql = " select count(*) as cnt from {$g4['memo_table']} where me_recv_mb_id = '{$member['mb_id']}' and me_read_datetime = '0000-00-00 00:00:00' ";
$row = sql_fetch($sql);
$memo_not_read = $row['cnt'];
if($memo_not_read == 0){
echo "<img src='$g4[path]/img/memo_off.png' border=0 align=absmiddle>";
} else {
echo "<img src='$g4[path]/img/memo_on.png' border=0 align=absmiddle>";
}
echo "&nbsp;".$memo_not_read."개</a>";
?>

감사합니다...