Dear,
When you want to change one product's Packing type, you need to firstly check if any orders are linked/created.
1. delete the corresponding product sheet
2.invalidate the Packing in Product
3. delete the Packing in Product
4. OK to modify the packing type
- If orders are linked under this Product:
- > No way to modify the packing type any more, user needs to manually recreate a new product