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 @ 01:26
Script: /wbb/editpost.php?postid=19805&sid=8216e9b255217d32bd2b31be2aa1bb4a
Referer: http://www.delftseschaaksite.nl/wbb/editpost.php?postid=19805&sid=8216e9b255217d32bd2b31be2aa1bb4a