There are several possible reasons why your promo code may not have worked:
1. The code may not be valid for the items you are trying to purchase. Some promo codes are specific to certain products or categories.
2. The code may require a minimum purchase amount. Some promos are only valid if you spend a certain amount.
3. The item you want to purchase may already be on sale. In many cases, discount codes cannot be used on items that are already discounted.
4. The code may have expired. Promo codes typically have expiration dates, so if you are using an old code, it may no longer be valid.
If you encounter any issues with a promo code, please let us know so we can investigate and update the information if necessary.