Where is the valentinesday2023 badge on friends server

KoGaMa Profile: friends.kogama.com/profile/150128728/
Web Browser: Firefox
Client: Standalone
AboutMyBrowser.com Link: Not work.

Steps to Reproduce
1. Go to friends.kogama.com
2. Sign up/log in
3. Go to friends.kogama.com/coupon/
4. Enter the coupon code: valentinesday2023 and then it not work now why is that.

Additional Information (Optional)
Go to friends.kogama.com
Sign up/log in
Go to friends.kogama.com/coupon/
Enter the coupon code: valentinesday2023 and then it not work now why is that.