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: 29.03.2024 @ 13:58
Script: /board/board.php?boardid=1&sid=f82a02fc4e67dc2d3906e9edc069148a
Referer: