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 @ 01:06
Script: /wbb/report.php?postid=23716&sid=1c6cdbbf9830ca5fac18f5b0fc03128b
Referer: http://www.delftseschaaksite.nl/wbb/report.php?postid=23716&sid=1c6cdbbf9830ca5fac18f5b0fc03128b