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: 27.04.2024 @ 02:01
Script: /board/misc.php?action=viewip&postid=14699&sid=a596ae2ddf3a77a4c60c51e6a42a9f85
Referer: