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: 20.04.2024 @ 07:28
Script: /board/newthread.php?boardid=13&sid=979b2240caab5fbb6892e529c7946d37
Referer: