Notice (8): Undefined index: site_id [APP/app_controller.php, line 8]
Code

    function beforeFilter() {
        parent::beforeFilter();
AppController::beforeFilter() - APP/app_controller.php, line 8
PagesController::beforeFilter() - APP/controllers/pages_controller.php, line 26
Controller::startupProcess() - CORE/cake/libs/controller/controller.php, line 522
Dispatcher::_invoke() - CORE/cake/dispatcher.php, line 187
Dispatcher::dispatch() - CORE/cake/dispatcher.php, line 171
[main] - APP/webroot/index.php, line 84
Warning (2): Cannot modify header information - headers already sent by (output started at /home/cake/libs/debugger.php:686) [CORE/cake/libs/controller/controller.php, line 742]
Code | Context
 */
    function header($status) {
        header($status);
$status	=	"HTTP/1.0 404 Not Found"
header - [internal], line ??
Controller::header() - CORE/cake/libs/controller/controller.php, line 742
PagesController::page_not_found() - APP/controllers/pages_controller.php, line 115
Dispatcher::_invoke() - CORE/cake/dispatcher.php, line 204
Dispatcher::dispatch() - CORE/cake/dispatcher.php, line 171
[main] - APP/webroot/index.php, line 84