Alias "components.HybridAuthIdentity" is invalid - php

Question

I am following this tutorial http://www.yiiframework.com/wiki/459/integrating-hybridauth-directly-into-yii-without-an-extension/
into my own application but I get an error and I spend many hours to find wich step that I miss.
Here is my error.
Alias "components.HybridAuthIdentity" is invalid. Make sure it points to an existing directory or file.
In components directory, I create a file named HybridAuthIdentity.php
class HybridAuthIdentity extends CUserIdentity{`
public $hybridAuth;
public $adapter;
public $userProfile;
public $allowedProviders = array('google', 'facebook', 'linkedin', 'yahoo', 'live',);
protected $config;
function __construct()
{
$path = Yii::getPathOfAlias('ext.hybridauth');
require_once $path . '/hybridauth/Hybrid/Auth.php';
$this->config = array(
"base_url" => "touchtalent.dev/login/SocialLogin",
"providers" => array(
"LinkedIn" => array(
"enabled" => true,
"keys" => array (
"key" => "My key",
"secret" => "my secret id",
),
),
),
"debug_mode" => false,
"debug_file" => "",
);
$this->hybridAuth = new Hybrid_Auth($this->config);
}
}
In my siteController, I write :
Yii::import('components.HybridAuthIdentity');
$haComp = new HybridAuthIdentity;
if(!$haComp->validateProviderName($_GET['provider']))
{
throw new CHttpException("500", "Invalid action. Please Try again");
}
else
{
$haComp->adaptor = $haComp->hibrydAuth->authenticate($_GET['provider']);
$haComp->userProfile = $haComp->adaptor->getUserProfile();
$haComp->login();
$this->redirect('create');
}
How I can fix it? Thanks for all resposes...