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: 18.04.2024 @ 21:19
Script: /board/search.php?sid=0b38cf6cf7de9e5f8b282cad52d90c53
Referer: