SQL-DATABASE ERROR

Database error in WoltLab Burning Board: Link-ID == false, connect failed
mysql error: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)
mysql error number: 2002
Date: 21.05.2024 @ 04:16
Script: /wbb/misc.php?action=viewip&postid=8657&sid=6af6e7bf4e5a9fb8f2d6f0833d7660dd
Referer: http://delftseschaaksite.nl/wbb/misc.php?action=viewip&postid=8657&sid=6af6e7bf4e5a9fb8f2d6f0833d7660dd