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 @ 00:20
Script: /wbb/thread.php?goto=nextoldest&threadid=126&sid=1d6bcb8bd214d7297f39ca2a81ef427a
Referer: http://delftseschaaksite.nl/wbb/thread.php?goto=nextoldest&threadid=126&sid=1d6bcb8bd214d7297f39ca2a81ef427a