If the plant is aborting fruit then something is stressing it badly. Is it rootbound in the pot, have you fed it regularly and recently, is it getting enough water?

You would need to provide much more info for us to be able to narrow down the problems.

What size pot, how big/old plant, what fertilizer and how often, how often and for how long is it watered, any sign of pests, changes in weather lately, etc.?

Dave