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 @ 09:15
Script: /board/search.php?action=24h&sid=92d43118cad6f61fc7f7070d0aa279b6
Referer: