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 How to get the redeem code to visit CAT ART Online Exhibition? Contact us User Manual for CAT ART Online Exhibition How to contact Ticket window customer service? How do I enter by VR headset? Comments 0 comments Please sign in to leave a comment.