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: 18.05.2024 @ 00:26
Script: /login.php?sid=e3406bf7e2d5896e9a0596aabd15f175
Referer: