You can print barcode labels only for products that have a barcode assigned.
To confirm if a product has a barcode assigned
1. At the organization level, navigate to Admin > Resources > Products.
2. Search and click the product you wish to confirm the barcode association
The Edit Product page opens.
3. In the General tab, locate Product Barcodes field, verify if the product has a barcode assigned.
If the product has a at least one barcode assigned to it, you can see The product has 1 barcode(s). When you print barcode labels, this code is printed on the labels.