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: 27.04.2024 @ 05:12
Script: /board/index.php?sid=9a19aff6ab1b7dd57f07f26eae39cc82
Referer: