Private servers (like Hay Day Private Server APKs) are separate applications. They let you have infinite diamonds, but you are playing on a ghost town. You cannot trade, join a real Neighborhood, or compete in the official Derby because the server is disconnected from Supercell's matchmaking.
See steps on how to report issues within each game: * Boom Beach. Player name - Tap on the player's name, then select "Report". .. hay+day+game+guardian+script