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 @ 07:25
Script: /wbb/report.php?postid=18740&sid=e22d68dde8dc0b6b9c4e81a8f4c21f6a
Referer: http://delftseschaaksite.nl/wbb/report.php?postid=18740&sid=e22d68dde8dc0b6b9c4e81a8f4c21f6a