Hello there this is a first update for broken 1.12 support.
This version work from 1.7.x - 1.12.
You will need to recreate your shops in new file system .
Now you have now folder with example.yml shop
just copy that example.yml or rename it how u want and setup shop.
So to be clear now every shop need to be in another file so FoodShop.yml,TimberShop.yml.
Aliases for shop commands are coming in next update

Enjoy