Sorry for the miscommunication. I only copied over the NVL screen. What I meant is that my script.rpy also has "menu (nvl=True)" much like the DiscoFramework one does. So, I was confused why I'd be the issue if both have it. Again, my mistake.
Thank you for the clarification. Since the issue is persisting, I would recommend starting with the framework's script setup and adding (pasting in) your visual novel's custom scripts around it, rather than the other way around. This would help to avoid missing any lines of script that are being left out through the transfer.