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 @ 00:57
Script: /wbb/report.php?postid=24223&sid=01fd5b70e9c8709b2dfacd5cfa7c7a97
Referer: http://www.delftseschaaksite.nl/wbb/report.php?postid=24223&sid=01fd5b70e9c8709b2dfacd5cfa7c7a97