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: 18.04.2024 @ 04:46
Script: /board/addreply.php?postid=10770&action=quote&sid=70d4ba858b782cd899d043bdbd95457a
Referer: