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 @ 23:18
Script: /board.php?boardid=98&sid=0d41949ed8f361bc2a41c947b1eb35a7
Referer: