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: 28.03.2024 @ 17:10
Script: /board/board.php?boardid=11&sid=dbf53ccb4b28cf8892798830243d765a
Referer: