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: 18.04.2024 @ 23:07
Script: /board/profile.php?userid=13&sid=32bf07c524fbeee16c962cde8887b04f
Referer: