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 @ 19:49
Script: /board/board.php?boardid=1&sid=3499a2cc0a8c1f723f47762f3b476e24
Referer: