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: 10.05.2024 @ 08:52
Script: /index.php?sid=0a7323c0f0b6a9d187e045c1c0a04b10
Referer: