Yii Controller cannot find the requested view

I am encountering this error when rendering "error" view ``` ApiController cannot find the requested view "error". ``` All directories are in small letters. I am running Yii on Linux Machine ``` Sample Code: class ApiController extends Api { private $api; private $placesapikey; public function __construct() { parent::__construct("Api"); $uri = explode('=', Yii::app()->request->getQueryString()); $this->api = end($uri); $this->placesapikey = ""; if ($this->api != Yii::app()->params['apikey'] || $this->api == '') { $error['data']['title'] = "Un-Authorized Access"; $error['data']['message'] = "You are not authorized to access or view this area"; $this->render('error', $error); exit; } } ```