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: 16.04.2024 @ 07:36
Script: /board/newthread.php?boardid=7&sid=03489f65ae445a38d90ea599b4907674
Referer: