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 @ 23:21
Script: /thread.php?threadid=6207&page=3&sid=5018e2be2e71528ababaea778520a670
Referer: