// Get current month (2 digits)
$curr = date("m", time());
-if ($_CONFIG['last_month'] != $curr)
+if (getConfig('last_month') != $curr)
{
// Check for unsubscribed members
$result = SQL_QUERY("SELECT userid, nl_until FROM `"._MYSQL_PREFIX."_user_data` WHERE nl_receive='N' ORDER BY userid", __FILE__, __LINE__);