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 @ 01:48
Script: /wbb/editpost.php?postid=29454&sid=ac0a09ca11445aaf1f3ae5bea4a40458
Referer: http://www.delftseschaaksite.nl/wbb/editpost.php?postid=29454&sid=ac0a09ca11445aaf1f3ae5bea4a40458