Buy

If you haven't already done so you need to do as the message says and contact iTunes Support (these are user-to-user forums) :

- go to http://www.apple.com/support/itunes/ww

- click on your country's flag (the country where you are, and which is therefore the country on your account)

- click on Contact Support towards the top right

- click on Get Help under 'Talk To Us'

Or use this form : https://www.apple.com/emea/support/itunes/contact.html

Try http://supercell.com/en/support/ or About in-app purchases - Apple Support.

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