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 @ 12:29
Script: /board/board.php?boardid=13&sid=53004d1a90da185ded5e70582c5c5d5c
Referer: