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 @ 02:03
Script: /board/addreply.php?postid=14699&action=quote&sid=a9e05452201705cccd109deb478df08d
Referer: