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: 23.04.2024 @ 15:48
Script: /board/board.php?boardid=1&sid=affd1f8bb22505218109bf713694e88d
Referer: