Have you purchased the item but not received the goods?

This situation is most likely a synchronization problem of the Google Play Store.
In order to fix this issue, you must re-start the Google Play Store.

Application > Google Play Store > Storage > Clear Data

If this process does not fix the situation, please contact the Help & Support team.

You can contact us directly by [Contact Us] in Settings -> Help and Support.
Please attach the name of the product you have purchased and the receipt of your purchase when you send your message.
Your purchase receipt should already have been sent to you by email.