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 @ 06:51
Script: /wbb/search.php?action=user&userid=1090569944&sid=e143bd1f949e9b08d7a9a2ba3c64bd37
Referer: http://delftseschaaksite.nl/wbb/search.php?action=user&userid=1090569944&sid=e143bd1f949e9b08d7a9a2ba3c64bd37