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 @ 03:18
Script: /wbb/editpost.php?postid=27452&sid=ddaebf23e8d684c1dadd8a2c29a8a36f
Referer: http://www.delftseschaaksite.nl/wbb/editpost.php?postid=27452&sid=ddaebf23e8d684c1dadd8a2c29a8a36f