Error unknown column 'user' in 'where clause' code igniter

Gan Kira kira error kenapa ya padahal di database ada table user dan kolom email tapi ttp error kenapa ya ini SC nya : Ini error nya :

A Database Error Occurred
Error Number: 1054

Unknown column 'user' in 'where clause'

SELECT * FROM `user` WHERE `user` = 'salam@gmail.comda' LIMIT 1

Filename: D:/xampp2/htdocs/Client/system/database/DB_driver.php

Line Number: 691

 private function _login()
    {
        $email = htmlspecialchars($this->input->post('email', true));
        $password = $this->input->post('password', true);

        $user = $this->db->get_where('user', ['email' => $email])->row_array();
        //apabila user aktif
        if ($user) {
            if ($user['is_active'] == 1) {
                //cek password
                if (password_verify($password, $user['password'])) {
                    $data = [
                        'email' => $user['email'],
                        'role_id' => $user['role_id']
                    ];
                    $this->session->set_userdata($data);
                    if ($user['role_id'] == 1) {
                        redirect('admin');
                    } else {
                        redirect('customer_service');
                    }
                } else {
                    $this->session->set_flashdata('message', '<div class="alert alert-danger" role="alert">
                         Password Salah
                        </div>');
                    redirect('auth');
                }
            } else {
                $this->session->set_flashdata('message', '<div class="alert alert-danger" role="alert">
                    Email Belum Terdaftar!
                        </div>');
                redirect('auth');
            }
        }
    }