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: 19.04.2024 @ 23:47
Script: /board/misc.php?sid=f36557dcb6bbe5353fbe29457ee621a4&action=showsmilies
Referer: