Watch the second batch again, the stock wasn't added.
In the first batch, the stock is added immediately after the noodles cook. In the second, the stock is listed in the prep, but is never added. The video shows the cook going from the noodles straight to adding the egg.
You left out the stock in the second batch.
In the first batch, the stock is added immediately after the noodles cook. In the second, the stock is listed in the prep, but is never added. The video shows the cook going from the noodles straight to adding the egg.