Caution👀: Why does it say "Coupon code is invalid" after entering the Promo Code?

1. Please check no space in between the Promo Code
2. Upper/ Lower case only (case sensitive)
3. If issue persist, please re-enter again after 20 minutes

• This offer is for MoneyBack Members only, and only applicable on the MoneyBack Member Day.
• Member need to present MoneyBack App or registered mobile number in stores to get extra 5% off; and have to enter promo code “MB5” in eShop to enjoy 5% off.
• This offer is eligible to Hong Kong and Macau Watsons stores / eShop only.   
• During the promotion period, all Watsons cash/till coupons will be suspended. This offer is not applicable to purchase of Gift Voucher, MoneyBack Thankful Promotion, Infant Baby Milk Powder(Stage 1), Bill Payment Service, Phonecards, All Reloading Service, Plastic Shopping Bag Charging, Redemption items, Designed Point/ E-stamp Redemption Items, GLAM Haircare Products, #1DAYonly offer, Non-Discountable Products, new member promotion offer, Subscription Program, Body Check & Vaccine Package, Kai Tai Counter, Chinese Medicine Practitioner’s Consultation Services, Online Medical Service, Dietitian Consultation Services and Prescription Products, Pre Order Items, Supplier direct delivery items (Including e-Voucher) and $1 Crazy Deal items. 
• In the event of disputes arising out of this promotion, the decision of Watsons shall be final.