mengatasi eror php codeignter

https://hayojek.skom.id/

itu linknya databese eror encountered

Message: mysqli::real_connect(): (HY000/1045): Access denied for user 'u5khepbx_eza'@'localhost' (using password: YES)

Filename: mysqli/mysqli_driver.php

Line Number: 202

Backtrace:

File: /home/u5khepbx/public_html/application/controllers/C_utama.php

Line: 23

Function: __construct

File: /home/u5khepbx/public_html/index.php

Line: 315

Function: require_once

Unable to connect to your database server using the provided settings.

Filename: controllers/C_utama.php

Line Number: 23