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: 25.04.2024 @ 17:01
Script: /board/addreply.php?postid=11775&action=quote&sid=4e3c32180b8b52c2c2a8017f52b85d0a
Referer: