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: 19.04.2024 @ 22:33
Script: /board/board.php?boardid=10&sid=959d28e315b6917c030aef510e26817a
Referer: