I've set up a sandbox Paypal Express for my Zen Cart v.1.3.9.h
It seems to work fine with both paypal account and credit card.
But in addition to the original order there is added a new empty order that's already processed in zen cart and it has gift voucher/discount coupon as payment.
It also try to send a confirmation email without using any email address.
Is there something wrong or is this normal when using Paypal sandbox?
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