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 @ 02:57
Script: /login.php?sid=82a811e512f07206a2d9942e4ca2f9f1
Referer: