Using a same view page in different controller.

Question Guys!

I have home_view.php view page and calling it by default like $this->load->view('home_view');

In my home controller It's my default index page and it's working fine.
http://localhost/CIProject/

class Home extends CI_Controller {

public function index() {
$this->load->view('home_view');
}

Now after user registration I'm want to display the same view page after validate user but off course it's already different URL.
http://localhost/CIProject/login/validateUser

class Login extends CI_Controller {

public function validateUser() {
$this->load->view('home_view');
}

But I'm getting the following error notice:

File: /home/aris/public_html/CIProject/application/controllers/Login.php
Line: 12
Function: _error_handler

File: /home/aris/public_html/CIProject/index.php
Line: 315
Function: require_once

There are those who tell lies with meaning behind them and those meaning less lies!