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 @ 01:54
Script: /wbb/editpost.php?postid=31436&sid=6be3fe9c46afd48e6f3b3c32e2a71e98
Referer: http://www.delftseschaaksite.nl/wbb/editpost.php?postid=31436&sid=6be3fe9c46afd48e6f3b3c32e2a71e98