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: 25.04.2024 @ 14:16
Script: /board/board.php?boardid=1&sid=5bcd90a0274644229db63e7e3412979d
Referer: