This code was transferred from the Pokecommunity thread.

Open `start_menu.c` and look for the function `SaveFileExistsCallback`

```diff
else
    {
-       ShowSaveMessage(gText_AlreadySavedFile, SaveConfirmOverwriteCallback);
+       sSaveDialogCallback = SaveSavingMessageCallback;
    }

    return SAVE_IN_PROGRESS;
}