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 @ 20:51
Script: /board/profile.php?userid=6&sid=67ce5ba25cbccac261afc8c919b43591
Referer: