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: 11.05.2024 @ 02:41
Script: /board/board.php?boardid=28&sid=0ee2a5ed7a674cf38e3571d416548354
Referer: