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: 19.04.2024 @ 00:29
Script: /board/board.php?boardid=6&sid=d041fb15cb0885c08c211d5f710b6daa
Referer: