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: 13.07.2025 @ 10:21
Script: /index.php?sid=7ca7bee9c41771aeb5e0b01f260585f8
Referer: