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: 19.04.2024 @ 15:10
Script: /board/misc.php?action=viewip&postid=14886&sid=1521dba2a69eeab09595c5477ae14831
Referer: