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: 25.04.2024 @ 11:03
Script: /board/addreply.php?postid=15082&action=quote&sid=ece524c053330cb24c12c05ae82d0094
Referer: