recharging cash? ultimategamecard

hey i just bought an ultimate game card for $20 in canadian AND NOW its saying I HAVE TO PAY MORE and wont even let me charge the card to my account

it says

Please enter another Ultimate Game Card PIN below.

An additional 0.26 Canadian Dollars worth of Ultimate Game Cards will be required to complete this order. Any remaining card value will be deposited in your stored value account for use toward future payments against your _______ account on Ntreev.

Make the complaint to PayByCash, not Ntreev.