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: 28.03.2024 @ 22:53
Script: /board/board.php?boardid=5&sid=fedcbf947ff8e976e097c7b49563b583
Referer: