mycitest/list/index/10 ->error message 404 Page Not Found

controllers-list.php

<?php
class Lists extends CI_Controller {

private $limit = 10;
    public function __construct() {
        parent::__construct();
        if(!$this->session->userdata('logged_in')){
            //Set error
            $this->session->set_flashdata('need_login', 'Sorry, you need to be logged in to view the List');
            redirect('home/index');
        }

        // load library
		$this->load->library(array('table','form_validation'));

		// load helper
		$this->load->helper('url');

		// load model
		$this->load->model('List_model','',TRUE);
    }

    public function index($offset = 0){
        //Get the logged in users id
        $user_id = $this->session->userdata('user_id');

        // offset
		$uri_segment = 3;
		$offset = $this->uri->segment($uri_segment);
        // load data
		$lists = $this->List_model->get_paged_list($this->limit, $offset)->result();

        // generate pagination
		$this->load->library('pagination');
		$config['base_url'] = site_url('list/index/');
 		$config['total_rows'] = $this->List_model->count_all();
 		$config['per_page'] = $this->limit;
		$config['uri_segment'] = $uri_segment;
		$this->pagination->initialize($config);

		$data['pagination'] = $this->pagination->create_links();
        $data['records'] = $this->db->get('lists', $config['per_page'], $this->uri->segment(3));
		// generate table data

		$data['table'] = $this->table->generate();



        //Load view and layout
        $data['main_content'] = 'lists/index';
        $this->load->view('layouts/main',$data);
    }

models-list_model.php

<?php
class List_model extends CI_Model{

private $tbl= 'lists';

    public function get_all_lists($user_id){
   
        $this->db->order_by('create_date', 'asc');
        $query = $this->db->get('lists');
        return $query->result();
    }

    function count_all(){
		return $this->db->count_all($this->tbl);
	}

	function get_paged_list($limit = 10, $offset = 0){
		$this->db->order_by('id','asc');
		return $this->db->get($this->tbl, $limit, $offset);
	}

    public function get_list($id){
        $this->db->select('*');
        $this->db->from('lists');
        $this->db->where('id',$id);
        $query = $this->db->get();
         if($query->num_rows() != 1){
            return FALSE;
        }
        return $query->row();
    }

note

I have this error when going to another page in pagination link.

views-lists-index.php

<h1>My Lists</h1>
<?php if($this->session->flashdata('list_created')) : ?>
    <?php echo '<p class="text-success">' .$this->session->flashdata('list_created') . '</p>'; ?>
<?php endif; ?>
<?php if($this->session->flashdata('list_deleted')) : ?>
    <?php echo '<p class="text-success">' .$this->session->flashdata('list_deleted') . '</p>'; ?>
<?php endif; ?>
<?php if($this->session->flashdata('list_updated')) : ?>
    <?php echo '<p class="text-success">' .$this->session->flashdata('list_updated') . '</p>'; ?>
<?php endif; ?>
<p>Table Lists</p>

<!--<ul class="list_items"> -->
<div id="container">
		<h3>Pagination</h3>

		<?php echo $this->table->generate($records); ?>
		<?php echo $pagination; ?>
	 </div>
    <br />
<p>To create a new list - <a href="<?php echo base_url(); ?>lists/add">Click here</a>