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: 09.07.2025 @ 08:20
Script: /index.php?sid=8d50485f15a1d6de69242ba034389a09
Referer: