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 @ 05:03
Script: /wbb/report.php?postid=31418&sid=8c34af278c2236e5e7c9cec3b31e3b6f
Referer: http://delftseschaaksite.nl/wbb/report.php?postid=31418&sid=8c34af278c2236e5e7c9cec3b31e3b6f