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: 26.04.2024 @ 10:52
Script: /board/search.php?action=24h&sid=0b8a4f605fc4a151f84a74898b02a804
Referer: