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 @ 13:31
Script: /board/memberslist.php?order=DESC&sortby=userposts&letter=&sid=98c12f1c129e26ec3d6158970149e630&page=2
Referer: