cicool_staging database

[pat3c0129]

I cannot run wizard,

A PHP Error was encountered
Severity: Warning

Message: mysqli::real_connect(): (HY000/1049): Unknown database 'cicool_staging'

Filename: mysqli/mysqli_driver.php

Line Number: 201

Backtrace:

File: C:\xampp2\htdocs\cicool\application\third_party\MX\Loader.php
Line: 109
Function: DB

File: C:\xampp2\htdocs\cicool\application\libraries\Cc_app.php
Line: 76
Function: database

File: C:\xampp2\htdocs\cicool\application\third_party\MX\Loader.php
Line: 172
Function: _ci_load_library

File: C:\xampp2\htdocs\cicool\modules\not_found\controllers\Not_found.php
Line: 17
Function: library

File: C:\xampp2\htdocs\cicool\index.php
Line: 338
Function: require_once

Please help,,, thank you