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: 19.07.2025 @ 01:00
Script: /formmail.php?userid=637&sid=2eb5b5c27d94ba86688696cce5082882
Referer: