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 @ 07:10
Script: /login.php?sid=d9fb3a50562af8bf4b3e6c064d6d63c5
Referer: