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 @ 01:23
Script: /board/newthread.php?boardid=3&sid=a6e90f38438a9d1b7df894364ec70f07
Referer: