Mulberry tree is overloaded with mulberries to the exclusion of leaves, is it dying?
My large mulberry tree has solid fruit along all the branches and there are no leaves, is this going to kill my nice big tree?
Certified GKH Gardening Expert
It will help to see some photos, but this could be many problems. Are the fruit ripe and edible? Did you notice any spotting, beforehand, on the leaves?
Has it been overly hot on your area, or wet? This could be a fungal or bacterial infection, but it would be hard to tell without seeing the issue at hand.
In the meantime, this article will help you to care for these trees: https://www.gardeningknowhow.com/ornamental/trees/fruitless-mulberry/how-to-grow-mulberry-trees.htm