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  : Saturday, December 2nd 2023 @ 02:28:25 PM
Error Date    : Saturday, December 2nd 2023 @ 02:28:36 PM
Script        : http://forum.evony.com/member.php?1090646-Blue-D-Great&tab=activitystream&type=friends
Referrer      : 
IP Address    : 18.207.160.97
Username      : 
Classname     : vB_Database
MySQL Version :