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: 16.04.2024 @ 21:12
Script: /board/addreply.php?postid=914&action=quote&sid=1cb88eabe9c3daa155225ecca5ba2aa4
Referer: