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 @ 01:17:19 AM
Error Date    : Monday, December 4th 2023 @ 01:17:27 AM
Script        : http://forum.topgamesinc.com/forumdisplay.php?do=markread&markreadhash=1696129080-db02686e7d1c74f90cca18e7587162fd62fdddc2
Referrer      : 
IP Address    : 18.207.160.97
Username      : 
Classname     : vB_Database
MySQL Version :