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 @ 00:18
Script: /board/misc.php?action=faq&sid=1c1776bd036c892779aafeb3fc498dc3
Referer: