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: 21.01.2025 @ 21:47
Script: /board.php?boardid=14&sid=215bae8c00f77fa2001c430cde03532d
Referer: