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: 08.05.2024 @ 15:13
Script: /board/profile.php?userid=1&sid=ad2e0fad4a07fdbe182dfdf441ab0314
Referer: