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 @ 00:48
Script: /wbb/editpost.php?postid=31246&sid=5a03a8d217dc1a022fc1281a5d299e2a
Referer: http://www.delftseschaaksite.nl/wbb/editpost.php?postid=31246&sid=5a03a8d217dc1a022fc1281a5d299e2a