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: 19.04.2024 @ 22:29
Script: /board/thread.php?goto=lastpost&threadid=842&sid=8073b25d24bd5f7d093d8e6dfbc76db4
Referer: