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: 19.07.2025 @ 02:03
Script: /register.php?sid=b37de4d3c16c34aa202ed115fbbe850e
Referer: