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 @ 02:53
Script: /board/addreply.php?postid=12986&action=quote&sid=855eb838dce1b7837fc674fbe72a33ee
Referer: