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 @ 01:32
Script: /wbb/misc.php?action=viewip&postid=18972&sid=c28663d4f4dc60dc6e0d91559a3ce77b
Referer: http://delftseschaaksite.nl/wbb/misc.php?action=viewip&postid=18972&sid=c28663d4f4dc60dc6e0d91559a3ce77b