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: 16.04.2024 @ 21:24
Script: /board/profile.php?userid=1&sid=b1024c3b44be411eb163b5b6b4d50006
Referer: