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 @ 03:31
Script: /board/misc.php?action=faq&sid=755bef351c0cee520a07ec1d1a5fb014
Referer: