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 @ 17:30
Script: /board/misc.php?action=faq&sid=663114b1ebe26b8b46b31f2295d7ed04
Referer: