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: 26.04.2024 @ 22:48
Script: /board/board.php?boardid=8&sid=00b91b090c55dd1e93d699e7bde5d96b
Referer: