I am new to Android but have got a new phone running 5.0.1 using my Gmail account administered by my university in New Zealand. However I am unable to purchase apps in the Google Play store. I am able to download free ones but no any for which I have to pay money. Instead I get an error which says

Error while retrieving information from server[RPC:S-7:AEC-0 ...] The ... is a 13 letter code in the format XXXX-XXXX-XXXXX which seems to change everytime I try.

I have tried restarting, updateing, clearing the cache of the play store, Download Manager, Google play services and have added and removed my primary gmail account and done the same. I have done everything suggested here: https://support.google.com/googleplay/troubleshooter/4592924

How can I fix this?

Thank you.


I also posted on the Google play store forum and Byteguy posted suggested that my university was likely blocking purchases. This had not occured to me and sure enough when I set up a new Google account things worked fine.

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