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 @ 03:15
Script: /formmail.php?userid=102&sid=f25dc8efb121c11e45bf48635b670f9b
Referer: