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: 07.07.2025 @ 04:16
Script: /index.php?sid=feb5bc3bc47d6e1340c79ddd8e699771
Referer: