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 @ 02:58
Script: /wbb/thread.php?threadid=1177&sid=43e3a98689eb0130d8b1b77bc3cffb30
Referer: http://delftseschaaksite.nl/wbb/thread.php?threadid=1177&sid=43e3a98689eb0130d8b1b77bc3cffb30