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 @ 08:04
Script: /wbb/editpost.php?postid=11431&sid=1c9b75d0a471432da8aaa8cadc906b7f
Referer: http://delftseschaaksite.nl/wbb/editpost.php?postid=11431&sid=1c9b75d0a471432da8aaa8cadc906b7f