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: 11.07.2025 @ 03:26
Script: /usercp.php?action=buddy&add=872&sid=a22fadc2b934333ccce1730625a5143d
Referer: