Dear worshippers, the issue has been solved at 22:40 (UTC-4). Thank you for your patient and support.
 
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Dear worshipper,
 
Due to unexpected factors on Google service, some of the players will not be able to proceed in-game purchase via Google Play. We are now currently working on this issue with Google. Please refer to our website or our fan page for updates. For alternative top-up method, please refer to the following link:
https://www.userjoy.com/en/member.aspx#153/cash
 
Thank you for your patient and support.