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: 18.04.2024 @ 10:54
Script: /board/board.php?boardid=8&sid=417cfa0893155747dbedbe2e770c5acd
Referer: