If you have a discount code that entitles you to a discount, please check the validity period in the newsletter or in the coupon you received.
Verify that the code you entered matches exactly what you typed, it is important to verify upper / lower case letters, spaces, numbers and all other characters.
The code can be used only once, you should verify that you have never used it on a previous order.
If you have used it for an order that you have not confirmed, please contact an operator at Support by reporting the canceled order on which you applied the coupon.