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 @ 18:14
Script: /board/misc.php?action=viewip&postid=14886&sid=c888bc3b7b82e71282f8609538acedac
Referer: