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: 26.04.2024 @ 08:39
Script: /board/board.php?boardid=2&sid=19797833e52bd2e91532587cc00d9353
Referer: