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: 03.07.2025 @ 07:22
Script: /login.php?sid=c2d56419e1f917d576051cc7d737d2b7
Referer: