@Anonymous User Welcome to the community. If you're sure the payment is coming from the same account as you have your Vodafone offer on (and you haven't bought any day sports passes which are the same price) then pop onto live chat and they should be able to look into it.
You can get to live chat from the Contact Us page
https://help.nowtv.com/get-in-touch
(expand the Anything Else section at the bottom for options)
