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: 18.04.2024 @ 22:17
Script: /board/markread.php?sid=92d43118cad6f61fc7f7070d0aa279b6
Referer: