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 @ 01:29
Script: /wbb/report.php?postid=576&sid=c026eef1c42a6b99b9e8be19915bc22f
Referer: http://www.delftseschaaksite.nl/wbb/report.php?postid=576&sid=c026eef1c42a6b99b9e8be19915bc22f