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  : Sunday, December 3rd 2023 @ 01:55:50 AM
Error Date    : Sunday, December 3rd 2023 @ 01:55:58 AM
Script        : http://forum.topgamesinc.com/forumdisplay.php?do=markread&markreadhash=1696128866-1e16ac6d405a652d189a16c609babb0ece4589cf
Referrer      : 
IP Address    : 18.206.12.157
Username      : 
Classname     : vB_Database
MySQL Version :