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: 20.04.2024 @ 05:28
Script: /board/newthread.php?boardid=7&sid=b706171fd0951c7e3eab0a417ca4634b
Referer: