Reasons why you have a rejection to purchase a Gift-card
1. Set the operating system language and keyboard layout to the cardholder address.
2. In the operating system, set the time and time zone for the cardholder address.
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P.S. If this doesn't work on one page, try another one. If the problem persists, then the reason is the correct system configuration. Try to get tickets not from your computer, but from your mobile phone. Gift cards can be purchased on other websites.