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: 05.07.2025 @ 18:53
Script: /index.php?sid=ac9a88281d1f80f0773721933c0197cd
Referer: