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 @ 22:39
Script: /board/board.php?boardid=4&sid=0ff5fd208f512765665bbb66c44ad9db
Referer: