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 @ 17:42
Script: /board/usercp.php?action=favorites&sid=67f77f52557946516a5a4c5ac75b1201
Referer: