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 @ 23:15
Script: /board/newthread.php?boardid=3&sid=ae42d21b459613a2aca43a0580fb7d9a
Referer: