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: 13.07.2025 @ 10:14
Script: /register.php?sid=eaa1d5e1472fc74e8cc1c7d7dfac27c6
Referer: