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: 04.07.2025 @ 05:03
Script: /index.php?sid=9588338f9ce9acea77a0d43dd6853867
Referer: