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 @ 09:11
Script: /board/misc.php?action=viewip&postid=14886&sid=935889afb181a5445c21e0d6f95727d4
Referer: