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: 28.03.2024 @ 15:01
Script: /board/misc.php?action=faq&sid=f883dca46b014ccdae3f80bfff7dc5dd
Referer: