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: 29.03.2024 @ 06:49
Script: /board/newthread.php?boardid=3&sid=fa55fe6e6da439ca80ed01ff2350c0fd
Referer: