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 @ 07:15
Script: /wbb/search.php?searchid=298258&sid=77bbeb9d9e6b65be591c59659df65c76&page=13
Referer: http://delftseschaaksite.nl/wbb/search.php?searchid=298258&sid=77bbeb9d9e6b65be591c59659df65c76&page=13