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: 04.07.2025 @ 04:12
Script: /login.php?sid=5d64c2af702cef96be5f1f972f22c7a8
Referer: