Made a fool of me

Tried to use a coupon on the create your own burger self checkout thing. It was a buy one double cheese get free fries, so I added one double cheese and fries, then put in coupon. Tried to check out and it said required items not in order (its 2 things... both are there). I tried two more times then left still hungry because I was so embarrassed!

Update Ideas about McDonald's, v5.5.1