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: 26.04.2024 @ 12:48
Script: /board/thread.php?goto=lastpost&threadid=930&sid=dbd8e565651607ee68c0ed9d7af83f27
Referer: