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: 30.06.2025 @ 22:19
Script: /index.php?sid=fd1acdabe920ec5c734c20b24c1f70bb
Referer: