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 @ 16:43
Script: /board/memberslist.php?order=DESC&sortby=userposts&letter=&sid=b140e4efa2b0a84478d27b3b54b580e7&page=2
Referer: