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 @ 00:21
Script: /wbb/thread.php?postid=31545&sid=db8da9c56f42db3cdcd2c3c18b5e6a28
Referer: http://www.delftseschaaksite.nl/wbb/thread.php?postid=31545&sid=db8da9c56f42db3cdcd2c3c18b5e6a28