HELP WITH KUSABA PLS ON NEW PHP 5.4

Warning: Cannot modify header information - headers already sent by (output started at /home/ch67/public_html/lib/adodb/adodb.inc.php:364) in /home/ch67/public_html/inc/classes/manage.class.php on line 150

manage.class.php --->
		if (isset($_SESSION['manageusername'])) {
			$results = $tc_db->GetAll("SELECT HIGH_PRIORITY `boards` FROM `" . KU_DBPREFIX . "staff` WHERE `username` = " . $tc_db->qstr($_SESSION['manageusername']) . " LIMIT 1");
			if ($this->CurrentUserIsAdministrator() || $results[0][0] == 'allboards') {
/* line 150 */	   		setcookie("kumod", "allboards", time() + 3600, KU_BOARDSFOLDER, KU_DOMAIN);
			} else {
				if ($results[0][0] != '') {
					setcookie("kumod", $results[0][0], time() + 3600, KU_BOARDSFOLDER, KU_DOMAIN);
				}
			}
		}
	}