private void ManageState()
    {
        var nextStates = currentState.GetNextStates();

        if (Input.GetKeyDown(KeyCode.Alpha1))
        {
            currentState        = nextStates[0];
            errorComponent.text = null;
        }
        else if (Input.GetKeyDown(KeyCode.Alpha2))
        {
            currentState        = nextStates[1];
            errorComponent.text = null;
        }
        else if (Input.anyKeyDown)
        {
            errorComponent.text = ("PLEASE SELECT A VALID OPTION !");
            Debug.Log("from else part");
        }

        textComponent.text = currentState.GetStateStory();
    }