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: 16.04.2024 @ 18:36
Script: /board/board.php?boardid=24&sid=5a68ef23205c197016a37eaa4b108891
Referer: