그룹별로 최신글 뽑아내기에서 에러가 발생합니다.

function latest_group($skin_dir='', $gr_id, $rows=10, $subject_len=40, $cache_time=1, $options='')
{
global $g5;
//static $css = array();
if (!$skin_dir) $skin_dir = 'basic';

if(G5_IS_MOBILE) {
$latest_skin_path = G5_MOBILE_PATH.'/'.G5_SKIN_DIR.'/latest/'.$skin_dir;
$latest_skin_url = G5_MOBILE_URL.'/'.G5_SKIN_DIR.'/latest/'.$skin_dir;
} else {
$latest_skin_path = G5_SKIN_PATH.'/latest/'.$skin_dir;
$latest_skin_url = G5_SKIN_URL.'/latest/'.$skin_dir;
}
$cache_fwrite = false;
if(G5_USE_CACHE) {
$cache_file = G5_DATA_PATH."/cache/latest-{$bo_table}-{$skin_dir}-{$rows}-{$subject_len}.php";
if(!file_exists($cache_file)) {
$cache_fwrite = true;
} else {
if($cache_time > 0) {
$filetime = filemtime($cache_file);
if($filetime && $filetime < (G5_SERVER_TIME - 3600 * $cache_time)) {
@unlink($cache_file);
$cache_fwrite = true;
}
}
if(!$cache_fwrite)
include($cache_file);
}
}

$total_page = ceil($total_count / $rows); // 전체 페이지 계산
if (!$page) { $page = 1; } // 페이지가 없으면 첫 페이지 (1 페이지)
$from_record = ($page - 1) * $rows; // 시작 열을 구함


if(!G5_USE_CACHE || $cache_fwrite) {
$list = array();

$sql = "select a.*, b.bo_subject, c.gr_subject, c.gr_id from g5_board_new a, g5_board b, g5_group c where a.bo_table = b.bo_table and b.gr_id = c.gr_id and b.bo_use_search = 1 and c.gr_id = '{$gr_id}' and a.wr_id = a. wr_parent order by a.bn_id desc limit 0, {$rows}";
$result = sql_query($sql);
for ($i=0; $row=sql_fetch_array($result); $i++) {

$sql = " select * from {$g5['board_table']} where bo_table = '{$row['bo_table']}' ";
$board = sql_fetch($sql);

$tmp_write_table = $g5['write_prefix'].$row['bo_table'];
$row2 = sql_fetch(" select * from {$tmp_write_table} where wr_id = '{$row['wr_id']}' ");

$list[$i] = $row2;
$list[$i] = get_list($row2, $board, $latest_skin_url, $subject_len);
$list[$i]['subject'] = "[".$row['bo_subject']."] ".$list[$i]['subject'];
$list[$i]['bo_table'] = $row['bo_table'];
}
if($cache_fwrite) {
$handle = fopen($cache_file, 'w');
$cache_content = "<?php\nif (!defined('_GNUBOARD_')) exit;\n\$bo_subject='".$bo_subject."';\n\$list=".var_export($list, true)."?>";
fwrite($handle, $cache_content);
fclose($handle);
}

}
/*
// 같은 스킨은 .css 를 한번만 호출한다.
if (!in_array($skin_dir, $css) && is_file($latest_skin_path.'/style.css')) {
echo '<link rel="stylesheet" href="'.$latest_skin_url.'/style.css">';
$css[] = $skin_dir;
}
*/
ob_start();
include $latest_skin_path.'/latest.skin.php';
$content = ob_get_contents();
ob_end_clean();
return $content;

}​