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 @ 00:49
Script: /wbb/thread.php?threadid=3406&sid=89ae5e3608a7cab80a451b916a48317c
Referer: http://delftseschaaksite.nl/wbb/thread.php?threadid=3406&sid=89ae5e3608a7cab80a451b916a48317c