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 @ 00:08
Script: /board/thread.php?goto=lastpost&threadid=842&sid=1f7af17f28cc1d8a1259ecfaa4ba958a
Referer: