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 @ 05:35
Script: /board/search.php?action=24h&sid=f19605abedf5ae9833ebb1b89e184c69
Referer: