Solve CodieIgniter error with message: mkdir(): Invalid path and Filename: drivers/Session_files_driver.php. This usually happen on mac.

system-tmp-directory.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

$config['sess_driver'] = 'files';
$config['sess_cookie_name'] = 'ci_session';
$config['sess_expiration'] = 7200;
$config['sess_save_path'] = sys_get_temp_dir();
$config['sess_match_ip'] = FALSE;
$config['sess_time_to_update'] = 300;
$config['sess_regenerate_destroy'] = FALSE;