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 @ 01:02
Script: /wbb/thread.php?threadid=2691&sid=ff1c2f5887137da8e9cceba2a6cb1612
Referer: http://www.delftseschaaksite.nl/wbb/thread.php?threadid=2691&sid=ff1c2f5887137da8e9cceba2a6cb1612