What should I do if “sold out” appears after syncing my products to my Shopify store?

Please make sure the POPCUSTOMS fulfillment location has a valid shipping profile.

Go to Settings > Shipping and Delivery in your Shopify admin.

Choose “Use rates from another location”, or

Create new rates for the POPCUSTOMS location.

How to Set Up Shipping Rates?

For detailed instructions on setting up shipping rates, please refer to this article:
How to Set Up Shipping Rates