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 @ 08:22
Script: /wbb/thread.php?threadid=6831&sid=fd51095dc65dd47f76db6d9ebb01caac
Referer: http://delftseschaaksite.nl/wbb/thread.php?threadid=6831&sid=fd51095dc65dd47f76db6d9ebb01caac