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: 19.04.2024 @ 06:46
Script: /board/newthread.php?boardid=5&sid=a3cf35d584f8678e72e33b52dff655a9
Referer: