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 @ 05:58
Script: /wbb/addreply.php?postid=24817&action=quote&sid=8a1d5d274a65fd0c2e1c67495fddcfab
Referer: