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: 21.05.2024 @ 03:26
Script: /wbb/profile.php?userid=97&sid=ea96cc3b916c6da72f308ec2b30ed8f1
Referer: