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 @ 00:27
Script: /wbb/report.php?postid=3286&sid=ca473c63a1ba0328c40ef5ebd4fd5f66
Referer: http://delftseschaaksite.nl/wbb/report.php?postid=3286&sid=ca473c63a1ba0328c40ef5ebd4fd5f66