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 @ 22:56
Script: /index.php?sid=4ee45b3a9cf3c46d09cd299cd04c86c3
Referer: