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: 18.04.2024 @ 17:32
Script: /board/misc.php?action=faq&sid=bcb262e3b89cd29d2f391ae1483d5ca8
Referer: