My redemption code isn’t working. What should I do? Joyce H September 16, 2021 08:52 Updated Follow First, please double check if you typed in the redemption code correctly. If it still doesn’t work, please submit a ticket to us. Related articles Contact us How to get the redeem code to visit CAT ART Online Exhibition? User Manual for CAT ART Online Exhibition How do I enter by VR headset? How to contact Ticket window customer service? Comments 0 comments Please sign in to leave a comment.