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 @ 23:20
Script: /board/report.php?postid=14886&sid=1521dba2a69eeab09595c5477ae14831
Referer: