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: 24.04.2024 @ 09:12
Script: /board/thread.php?goto=lastpost&threadid=842&sid=76e8388002a33304bbe140cb456a99ff
Referer: