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 @ 04:45
Script: /index.php?sid=17a12ca3aee8a94f08c9850b4fb9bd72
Referer: