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: 26.04.2024 @ 18:33
Script: /board/addreply.php?postid=1227&action=quote&sid=d85d8448eca3df04864c9089d516bf51
Referer: