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 @ 01:35
Script: /wbb/search.php?action=user&userid=34&sid=1f9a3d8b82fb03770419436328e97a6a
Referer: http://www.delftseschaaksite.nl/wbb/search.php?action=user&userid=34&sid=1f9a3d8b82fb03770419436328e97a6a