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 @ 00:57
Script: /board.php?boardid=15&sid=0b2f4b3867f9435cb54c12707bc18a55
Referer: