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 @ 22:09
Script: /board/profile.php?userid=24&sid=cd8f94fd7a87f07feb85d802b2b2894d
Referer: