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: 28.03.2024 @ 20:02
Script: /board/board.php?boardid=1&sid=12ad8387a61640a1e38611cc826239b4
Referer: