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In-app purchase "authentication required error"

I try to do in-app purchase, when i use "make an in-app purchase" node, a google play window open on my phone saying:

"Error: authentication required"

its say i have to connect to my google account, but i am connected, i can go on google play without problem and account is the good one

but in my game, i get this error. Is there something to do to enable authentication or something else? :x

Product Version: UE 4.8
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asked Jul 16 '15 at 11:54 AM in Blueprint Scripting

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Download the beta directly publish your application as a beta than the problem will disappear

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answered Feb 26 '16 at 11:30 AM

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Sertac Ogan
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avatar image DatapawWolf Mar 14 '16 at 09:50 PM

See this is something I've yet to see mentioned. Thanks for your input, it's a LOT more helpful than most question/answer or forum posts I've seen.

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