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: 19.07.2025 @ 01:00
Script: /usercp.php?action=buddy&add=1078&sid=91c374f5cdcca54529a3fca3238f50c7
Referer: