How to Manual Bind Master Code?
Step 1:
Select INVENTORY > MASTER CODE > +ADD MASTER CODE
Step 2:
Select INVENTORY > MASTER CODE > +ADD MASTER CODE
After that will pop out 0 MASTER CODE CREATED
Step 3:
Go to UNBIND, to convert unbind to bind you need to click BIND to create manually
Step 4:
You may create your own MASTER CODE (can be same name with SKU), then click BIND to create it