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: 19.04.2024 @ 21:48
Script: /board/board.php?boardid=1&sid=97629f6607a39953d41b4a1e466a814a
Referer: