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: 25.05.2022 @ 10:25
Script: /board/misc.php?action=faq&sid=ffec5a7bcbe387cab88634516e1fe639
Referer: