# NotInPreGameModeException > Thrown when an operation requires pre-game mode but the game is not in pre-game mode. `gg.lode.observerapi.api.exception` --- ## Signature ```java public class NotInPreGameModeException extends Exception ``` ## Extends - `Exception` --- ## Default Message `"You are not in pre-game mode!"` --- ## Related Pages - [[IObserverAPI]] - [[GameState]]