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 @ 23:18
Script: /board/print.php?threadid=842&page=1&sid=8c1bcaaed7d4a8c9503867771949e7ae
Referer: