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: 20.04.2024 @ 04:27
Script: /board/usercp.php?sid=95dfd30f857cc0354e0e1e7dc4740db5&action=options_change
Referer: