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 @ 05:54
Script: /wbb/editpost.php?postid=10729&sid=93f3c72f6a1ff386e5b910c90d1b7b4d
Referer: http://delftseschaaksite.nl/wbb/editpost.php?postid=10729&sid=93f3c72f6a1ff386e5b910c90d1b7b4d