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: 16.04.2024 @ 05:32
Script: /board/search.php?sid=1e5a9d0dc8d39cc5ce9d3ba3109164cb
Referer: