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 @ 03:39
Script: /wbb/search.php?action=user&userid=328&sid=26264a0c19cde33d8e8b608ee8c3e74a
Referer: http://www.delftseschaaksite.nl/wbb/search.php?action=user&userid=328&sid=26264a0c19cde33d8e8b608ee8c3e74a