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 @ 01:59
Script: /wbb/thread.php?threadid=2342&sid=0db6855eb39c2bf8cf0b4a5c875f9852
Referer: http://www.delftseschaaksite.nl/wbb/thread.php?threadid=2342&sid=0db6855eb39c2bf8cf0b4a5c875f9852