Holy Grail Steak Co. review for [Maestrooo] SuperFields

We used this app for a while and it was fine. Then one day it stopped allowing me to update some of the bullets under our items. Since none of functionality was working, I uninstalled and reinstalled the app. I cannot make changes to the older elements I setup. I contacted customer support who said "You have to set things up exactly the same way you did before in order to make any changes". This did not help me and now we're stuck with it half installed on our site.