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  : Tuesday, December 5th 2023 @ 09:45:27 AM
Error Date    : Tuesday, December 5th 2023 @ 09:45:31 AM
Script        : http://forum.evony.com/search.php?do=finduser&userid=908177&searchthreadid=185409&contenttype=vBForum_Post&showposts=1
Referrer      : 
IP Address    : 44.197.101.251
Username      : 
Classname     : vB_Database
MySQL Version :