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: 16.04.2024 @ 20:18
Script: /board/profile.php?userid=8&sid=3e85907e2a3396e76e9312d21dabbe08
Referer: