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  : Monday, December 4th 2023 @ 02:32:53 PM
Error Date    : Monday, December 4th 2023 @ 02:33:04 PM
Script        : http://forum.evony.com/forumdisplay.php?11-Off-Topic-Discussion
Referrer      : 
IP Address    : 34.229.63.28
Username      : 
Classname     : vB_Database
MySQL Version :