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 @ 06:10
Script: /wbb/usercp.php?action=buddy&add=294&sid=2cfe8310745956f10bd1a777c858c264
Referer: http://delftseschaaksite.nl/wbb/usercp.php?action=buddy&add=294&sid=2cfe8310745956f10bd1a777c858c264