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 @ 05:40
Script: /wbb/thread.php?threadid=4637&sid=f808b11eb31b6f3cf1d7be11e4e9710c
Referer: http://delftseschaaksite.nl/wbb/thread.php?threadid=4637&sid=f808b11eb31b6f3cf1d7be11e4e9710c