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: 25.04.2024 @ 00:46
Script: /board/formmail.php?userid=1&sid=bbbc58e6b1fb2ed5e02ccb0dee7af616
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