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: 14.07.2025 @ 21:27
Script: /board.php?boardid=14&sid=6ed44a1dbb097bd9bfaa5bac0aac3c96
Referer: