Actually, it's not even a mystery if you read the code. Somehow the word clouds must get included in the graphics, and that is done through g1 and g2. But yes, you're right the code is incomplete, thanks for noticing. Here attached is the fix, just add "{g1,g2}=" into the row object.
I have difficulty to find your profile identity information. Can you please fill that out? This is, after all, a community place, not a haunted house...