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 @ 08:53
Script: /board/misc.php?action=viewip&postid=10778&sid=3df23bfda17aed6ec7ec580d94d233d9
Referer: