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 @ 22:58
Script: /board/newthread.php?boardid=6&sid=05f706df91c1471a6222b9cfba44e2ee
Referer: