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 @ 10:12
Script: /board/thread.php?goto=lastpost&threadid=918&sid=8ba729a3a8b85a8ba7083b28bdc09881
Referer: