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: 29.03.2024 @ 08:27
Script: /board/addreply.php?postid=14807&action=quote&sid=db3a44d060e411fcca65a2dd73008003
Referer: