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: 26.04.2024 @ 00:50
Script: /board/newthread.php?boardid=2&sid=4e3c212287d07022a19e7ab8bb8d76d6
Referer: