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 @ 18:39
Script: /index.php?sid=f1b68f7e67d1c9d64f7cf301040faa34
Referer: