Warning (2): Undefined array key "location" [APP/Controller/FilesController.php, line 14]
Code Context

        try {
            $this->response->file($_GET['location']);
FilesController::view() - APP/Controller/FilesController.php, line 14
ReflectionMethod::invokeArgs() - [internal], line ??
Controller::invokeAction() - CORE/Cake/Controller/Controller.php, line 504
Dispatcher::_invoke() - CORE/Cake/Routing/Dispatcher.php, line 193
Dispatcher::dispatch() - CORE/Cake/Routing/Dispatcher.php, line 167
[main] - APP/webroot/index.php, line 117