Error in purchasing Premium version on Android [RPC:S-7:AEC-0]

Dear Fellows,

I cannot succeed to purchase the premium version on my android app. When i click on purchase, i get the message : " Error retrieving information from server [RPC:S-7:AEC-0]"

I alread purchased app for windows and iphone for several years. I just changed my phone to android so i am really deasapointed.

Thanks for your help.



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