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 @ 23:08
Script: /board/board.php?boardid=10&sid=84ab3bb7a985994cfae015ef1195b54d
Referer: