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: 28.03.2024 @ 20:40
Script: /board/profile.php?userid=41&sid=e93aa243e75fef4eebc23cfc821e286b
Referer: