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 @ 01:40
Script: /wbb/editpost.php?postid=21898&sid=633a41787dfc91ebfc751dd9b01c17dd
Referer: http://delftseschaaksite.nl/wbb/editpost.php?postid=21898&sid=633a41787dfc91ebfc751dd9b01c17dd