php - session error in codeigniter?

Question

when I want to set session data in codeigniter 3 it says error like:

A PHP Error was encountered

Severity: Warning

Message: mkdir(): Invalid path

Filename: drivers/Session_files_driver.php

Line Number: 117

Backtrace:

File: C:xampphtdocsci-testapplicationcontrollerslogin.php
Line: 7
Function: __construct

File: C:xampphtdocsci-testindex.php
Line: 292
Function: require_once

Here is the code that where want to set session data.

$sess_array = array(
         'id' => 1,
         'username' => 'bikramkc.kc@gmail.com'
       );
$this->session->set_userdata($sess_array);

Answer 1

Sharing a solution that helped me, try set your config variable like:

$config['sess_save_path'] = sys_get_temp_dir();