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 @ 06:51
Script: /board/thread.php?goto=lastpost&threadid=16&sid=78a21973e2e8bfe8baa56520723da79c
Referer: