I am not able to figure it out the error can any one help me ..

Below is the code.


class Main_model extends CI_Model {

  // function fetch_data($selecteddate){
  //   //$query = $this->db->query("SELECT * FROM `userLocationLogcat` WHERE id IN ( SELECT MAX(id) FROM userLocationLogcat GROUP BY email )");
  //   return 0;
  // }

  public function getUsers(){
    return 0;



public function one(){
        $data = $this->main_model->getUsers();
        echo $data;

please help.

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