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 @ 05:24
Script: /board/board.php?boardid=9&sid=277afb9d48ae4a7620acc6bad8de43e7
Referer: