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: 02.07.2025 @ 06:14
Script: /index.php?sid=7849fb338ccf1ce10cb1e5e72b4acf0a
Referer: