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: 26.04.2024 @ 21:09
Script: /board/board.php?boardid=1&sid=8eab5d7400357d464440b4f8aea1e321
Referer: