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 @ 00:57
Script: /wbb/editpost.php?postid=18455&sid=950235b95a3b4c78fa8743223d90645f
Referer: http://www.delftseschaaksite.nl/wbb/editpost.php?postid=18455&sid=950235b95a3b4c78fa8743223d90645f