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 @ 15:25
Script: /board/board.php?boardid=8&sid=b7be8bff74da5b37908861ce706a4e2e
Referer: