Our high bush cranberries don\’t have berries. Why
They are planted in a sunny location, and well watered They are two years old. Planted from the neighbors plants.
Certified GKH Gardening Expert
Generally, when you take cuttings, or splits from the parent... The transplants can take awhile to adjust and start producing. You could be expecting a wait of around 4 years or so, but often earlier, to see fruit on the plant.
With a little patients and proper care, the plant will be producing before you know it.
This article will give you more information: https://www.gardeningknowhow.com/edible/fruits/cranberry/no-fruit-on-cranberry-vine.htm