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 @ 11:44
Script: /board/memberslist.php?order=DESC&sortby=userposts&letter=&sid=202e98bffad6a19c9a5c1f16b4dafa45&page=2
Referer: