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: 28.03.2024 @ 08:11
Script: /board/thread.php?goto=lastpost&threadid=16&sid=4341a74789937e500a5bb305113edad5
Referer: