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: 23.04.2024 @ 23:19
Script: /board/addreply.php?threadid=932&sid=22d3c973e959f5d2eb61dbd9231f3714
Referer: