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: 24.04.2024 @ 02:11
Script: /board/index.php?sid=9227f9d7a7d17a8e8518a957915e04eb
Referer: