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: 19.04.2024 @ 07:11
Script: /board/profile.php?userid=13&sid=3e85907e2a3396e76e9312d21dabbe08
Referer: