nao foi possivel conectar com a base de dados

username: bancodaf_master
password: Ld230551
hostname: localhost
database: bancodaf_core

******************** debug *******************

arquivo: /home/bancodaf/public_html/core/system/codeigniter213/database/DB_driver.php
linha: 1104
*************************************
Array ( [0] => Unable to connect to your database server using the provided settings. [1] => Filename: /home/bancodaf/public_html/core/common/third_party/MX/Loader.php [2] => Line Number: 197 )

*************** encerrou o debusg ***************
programa encerrado propositalmente