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: 24.04.2024 @ 20:37
Script: /board/addreply.php?postid=14807&action=quote&sid=5488c181c80f5a5298d5565d8f81e35b
Referer: