SQL-DATABASE ERROR

Database error in WoltLab Burning Board: Link-ID == false, connect failed
mysql error: The server requested authentication method unknown to the client
mysql error number: 2054
Date: 20.04.2024 @ 06:59
Script: /board/newthread.php?boardid=7&sid=ee816a859e034f075affc11e5f7cb706
Referer: