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: 24.04.2024 @ 20:55
Script: /board/board.php?boardid=1&sid=0b8a4f605fc4a151f84a74898b02a804
Referer: