The system does not let me buy as many tickets as I want. Why? If there is not as many seats available as you wish to buy, you can not proceed ticket selection. Related articles What are your rights under the “Protection of Personal Data Code No.6698? When "Secure Payment" button is clicked on the payment page, 3D window is not opened. Why? On the 3D Secure page, when I enter bank, payment and credit card information and then click the ""Enter password make a payment"" button, 3D Secure pop-up page does not open. What should I do?