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 @ 21:59
Script: /board/memberslist.php?order=DESC&sortby=userposts&letter=&sid=d225e37928af13423baa04e48048af0c&page=2
Referer: