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 @ 18:52
Script: /board/usercp.php?action=favorites&sid=3c3a18b9b2f58e8084ff422d42bc91e0
Referer: