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: 15.07.2025 @ 23:11
Script: /login.php?sid=a8360510c5f7cb744f440bd1fb272f41
Referer: