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: 28.03.2025 @ 04:34
Script: /board.php?boardid=98&sid=fb31ef4bb9d8e55372bb62151b17aad9
Referer: