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: 11.07.2025 @ 02:34
Script: /index.php?sid=2a802c9660d6efab689464c6f3b14dc1
Referer: