no message

api/application/controllers/Common.php

@@ -37,6 +37,7 @@ class Common extends CI_Controller {
     }
 
     public function login() {
+        $this->load->model('Company_model');
         $username = $this->input->post('username',true);
         $password = $this->input->post('password',true);
         $client_key = $this->input->post('client_key',true);