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: 24.04.2024 @ 09:36
Script: /board/board.php?boardid=7&sid=a3b24c9236b1a45e9611fb2b64edc5a2
Referer: