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 @ 15:40
Script: /board/search.php?action=user&userid=32&sid=3e85907e2a3396e76e9312d21dabbe08
Referer: