Line 14 (Throws Exception)

   public void onEnable(){

        loadConfiguration();

        // Note that before the if statement was added, it still threw the null pointer exception.
        if(getCommand("safepvpmode") != null){
            getCommand("safepvpmode").setExecutor(new SafePvPMode(this));
        // This line ^ (14) throws the exception.
        }

        new ToggleListener(this);
    }

    public void loadConfiguration() {
        String toggleOnMessage = "toggleonmessage";
        String toggleOffMessage = "toggleoffmessage";
        String noPermission = "permissionmessage";
        getConfig().addDefault(toggleOnMessage, ChatColor.GREEN + "You will no longer destroy blocks when PvPing.");
        getConfig().addDefault(toggleOffMessage, ChatColor.GREEN + "You will now destroy blocks when PvPing.");
        getConfig().addDefault(noPermission, ChatColor.RED + "You do not have permission.");
        getConfig().options().copyDefaults(true);
        saveConfig();

    }