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 @ 07:43
Script: /board/board.php?boardid=1&sid=897b8e9187cce16135e83483dee0c555
Referer: