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 @ 13:32
Script: /board/board.php?boardid=13&sid=f1310c5dababcc2afac60906c6f7fc01
Referer: