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 @ 18:16
Script: /board/board.php?boardid=4&sid=8e3636b286b4b9d294c8cb245e46ae3d
Referer: