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 @ 07:23
Script: /wbb/search.php?action=user&userid=322&sid=cae5b0bce0e6c6bb89b0e71f79925d25
Referer: http://delftseschaaksite.nl/wbb/search.php?action=user&userid=322&sid=cae5b0bce0e6c6bb89b0e71f79925d25