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  : Tuesday, November 28th 2023 @ 12:13:59 PM
Error Date    : Tuesday, November 28th 2023 @ 12:14:06 PM
Script        : http://forum.evony.com/member.php?1079181-heuehehhe97&tab=activitystream&type=all
Referrer      : 
IP Address    : 3.239.2.192
Username      : 
Classname     : vB_Database
MySQL Version :