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 @ 04:25
Script: /wbb/search.php?searchid=296887&sid=5eb6daf51fc7b8d1d75a55a5f81066ca&page=3
Referer: http://www.delftseschaaksite.nl/wbb/search.php?searchid=296887&sid=5eb6daf51fc7b8d1d75a55a5f81066ca&page=3