Default your device doesn't support in app purchase

i dont know why in apl purchase is not working in some apps after i switch on custom rom beanstalk... any help will be highly appreciated. thanks. i am attaching the screenshot of viber for this problem...
p.s i have tried clearing the cache and data for playstore and uninstalling and re-installing viber but the issue doesnt resolved...

Sent from my LG Optimus G using XDA Premium 4 mobile app
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