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: 23.04.2024 @ 23:00
Script: /board/misc.php?action=faq2&sid=be7f1b3ff0bbf4368125b0fe3eccb258
Referer: