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 @ 04:55
Script: /login.php?sid=4624a98b4fced74dfdbd7416dd89ce95
Referer: