To prevent resale on the black market, the organisation is working with Mobile Ticket Only. You can view and manage your order via the button in your confirmation e-mail. 

No later than 48 hours before the event, your QR code(s) will be made available here. 

These QR code(s) are your admission ticket to the GelreDome. Did you not receive your purchase confirmation or did you delete it by mistake? To be sure, check your spam box for a PayLogic e-mail.  

You can request the purchase confirmation again here.