You may not have made a reservation.
Tower of the Sun You can check the reservation contents from the reservation site.
→ After logging in to the reservation site, click the red three-lined line (menu) in the upper right, select "Reservation Confirmation/Change", and check the reservation details. The reservation number will be substituted for the QR code on the day. Please present your reservation number at the reception desk on the day.
→ If there is no record in "Reservation Confirmation/Change", reservation can not be made.
Please make a reservation from the beginning again.