Hello,

There is no problem nor any bullshit.
You simply didn't apply to coupon.

How to apply the coupon:

Step 1
Go to: https://www.systemcheats.net/forum/payments.php

Step 2
Type the coupon as shown below.
https://i.imgur.com/bSFrOmf.png


Step 3
Apply the coupon, make sure it says: The coupon was added successfully.
As shown below..
https://i.imgur.com/xAxDnAt.png


Step 4
Verify that the coupon was applied as shown below.
https://i.imgur.com/0KmBhDM.png


Now please, don't blame the site for your own mistake. Coupon system working as intended.
I actually can't believe I have to explain how to use coupons.. How you guys registering here?... It's more complicated than applying a coupon.

Well, I hope it's clear now.