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: 12.07.2025 @ 14:29
Script: /board.php?boardid=15&sid=0fd5ca566519565902eea6c0c7de0a8b
Referer: