Frigidaire frs26zrf. My fridge part won't cool. Electric to both sides fine and freezer works

Question

My fridge part won't cool. Electric to both sides fine and freezer works good. Fridge side not cool at all but warm. model frto4lg3db. The freezer part works but the refrigerator does not cool. the freezer is on top and this is a small compact refrigerator capacity is 3.8 cu. ft.