Database error in vBulletin :

mysql_connect(): Can't connect to MySQL server on 'evonymobbbsmysqlmaster' (104)
/data/product/evonymob/production/bbs/b/includes/class_core.php on line 317

MySQL Error   : 
Error Number  : 
Request Date  : Thursday, November 30th 2023 @ 05:52:22 AM
Error Date    : Thursday, November 30th 2023 @ 05:52:28 AM
Script        : http://forum.evony.com/search.php
Referrer      : 
IP Address    : 44.212.94.18
Username      : 
Classname     : vB_Database
MySQL Version :