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 @ 11:29
Script: /board/misc.php?action=faq&sid=f007e75e30183625a0cc350f8b17ee43
Referer: