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: 08.05.2024 @ 17:47
Script: /board/search.php?action=24h&sid=76e8388002a33304bbe140cb456a99ff
Referer: