Markets or Sales Channels setup
Ensure the markets or sales channels for the product are set up correctly. Additionally, verify if the product is scheduled for a later release.Product availability
The product might be out of stock (quantity is 0 or less).
The product is marked as inactive.
Script Editor configuration
Check if the product is configured in the Script Editor with any restrictions that might prevent it from being displayed or added.Conflicts with other apps
Another app might be blocking the product from being added. You can verify this by reviewing the network activity when attempting to add the product.
If you've checked these factors and the issue persists, feel free to reach out to support for further assistance.