The "You already own this item" error message usually occurs when your Internet connection is interrupted during a past purchase flow. We recommend making sure you are always on a strong internet connection when attempting to make a purchase.

To correct this, you will need to clear the cache for the Google Play Store app. You can do so by taking the following steps:
  1. Fully close your game and any other apps running in the background
  2. Open the Settings of your phone.
  3. Tap the Storage heading to open its settings page.
  4. Tap the Other Apps heading to see a list of your installed apps.
  5. Scroll to and tap on Google Play Store icon
  6. Tap Force Close first (if available)
  7. Then, tap Clear Data button.
  8. Reboot your device.
If you need further assistance on a specific step, or if you're still having trouble after following these steps, please send an in-app message.