If you happen to have a payment issue all you have to do is to follow those steps:

1. Open the in-game shop again and tap on the same item. If you see a popup “Unfinished transaction; you have one or more unfinished transaction.”, tap on button "Complete" to claim your item. If you do not see this pop-up message, proceed to step 2 and 3.
2. 2. Go to your email, you will find a receipt from Playstore or Appstore.
3. 3. Take this receipt and send it to our support email, please attach the payment method with it whether it’s the appropriate store or bank. Please have patience, we will reply to you as soon as we see it, so don’t worry.