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: 25.04.2024 @ 00:55
Script: /board/misc.php?action=faq&sid=b433e52806f3ec6c4a2e1403ccf10eaa
Referer: