How to Check Coupon Status
You can check through the following path.
Login > My Page (click profile in upper right) > Coupon Box menu
Please check if the coupon's expiration date or usage conditions have passed.
Reasons Why Coupons Are Not Visible
When the expiration date has passed
If an error occurs during payment → In this case, the coupon may temporarily disappear
Customer Service Inquiry and Precautions
If the above methods do not resolve the issue, please contact us through CLASS101 Online Customer Service: http://101.gg/chat.
Coupons are automatically deleted when they expire and may be difficult to recover.
If your coupon disappeared due to a payment error, it may not have been completed due to payment timeout, so please contact customer service to request recovery.