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: 20.04.2024 @ 08:32
Script: /board/misc.php?action=faq&sid=86e5d655b4f113ad325ca590fae20bef
Referer: