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: 29.03.2024 @ 08:41
Script: /board/misc.php?action=faq&sid=2816447dc9364bd9f4c86870a775f0f8
Referer: