I can't find PS+ code

I bought the code from Steam Pumpkin on the 22nd and didn’t get a chance to activate it today. i go into the app to try to find the code and i can’t find it. Am I missing something?

If you have already rated the transaction, you unfortunately won’t be able to see the code anymore. However, if you have a email attached to your account, you’ll also have an email with the code on it. If you still are unable to locate it, please contact Support and we can help look it up for you.

Please i can’t find my promo code on my app and on my email either
any help will be appreciated
thank you