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 @ 16:38
Script: /board/forgotpw.php?sid=54d338da77b7b1c04ba84613fcc657de
Referer: