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: 28.03.2024 @ 09:09
Script: /board/addreply.php?postid=914&action=quote&sid=9cdad736fe2cd091bdc9178a1781620b
Referer: