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: 26.04.2024 @ 06:09
Script: /board/memberslist.php?order=DESC&sortby=userposts&letter=&sid=8aab40750d37740e9f8eeaf98a7563c6&page=2
Referer: