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 @ 10:36
Script: /board/profile.php?userid=6&sid=56c0c37d670b51c1cfc3f984642f32f7
Referer: