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 '/srv/.mysql/mysql.sock' (111)
mysql error number: 2002
mysql version: unknown
php version: 5.6.19
Date: 11.05.2024 @ 08:05
Script: /usercp.php?action=signature_edit&sid=4d17e26f44016ab4e255cc0e5eb2d8a5
Referer: