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 @ 21:23
Script: /board/usercp.php?action=addsubscription&boardid=7&sid=c00c19e8974202d5fe3a00cd6dde1e38
Referer: