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: 28.03.2024 @ 16:31
Script: /board/memberslist.php?sid=17e80d8f25f0143bb512c56baff514c2
Referer: