Please try the following steps if you encounter issues purchasing items or packages in-game on Android

- Payment Error 3:

Check payment configuration, following the instructions given in the link below: https://support.google.com/googleplay/answer/9037938?hl=en

- Payment Error 6:

The account has been flagged as unsafe. Please switch to another Google Play account.

- Payment Error 7:

Clear Google Play data: https://support.google.com/googleplay/answer/7513003?hl=en&visit_id=637284104073170608-2210111938&rd=1

- Payment Error 9:

Check payment configuration, following the instructions given in the link: https://support.google.com/googleplay/answer/9037938?hl=en