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 @ 22:06
Script: /board/memberslist.php?order=DESC&sortby=userposts&letter=&sid=17f71c051fcfc788915e8d2127109045&page=2
Referer: