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  : Friday, December 1st 2023 @ 10:11:04 PM
Error Date    : Friday, December 1st 2023 @ 10:11:13 PM
Script        : http://forum.topgamesinc.com/calendar.php?c=1&do=displayyear
Referrer      : 
IP Address    : 44.212.96.86
Username      : 
Classname     : vB_Database
MySQL Version :