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 @ 05:38
Script: /board/thread.php?goto=lastpost&threadid=651&sid=4341a74789937e500a5bb305113edad5
Referer: