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: 25.04.2024 @ 06:36
Script: /board/board.php?boardid=1&sid=c818967d0d28b57177a3d8195d9abf01
Referer: