Hey @kurosamaki, welcome to the Community!
We hope you don't mind if we reply in English. If you'd like help in Spanish, you can reach out to us via email.
If the payments didn't go through, the funds should get back to you soon. For now, you can try signing up for the discount again using an incognito window to see if it helps.
We also suggest making sure your payment card meet these requirements. If you're unsure, you can reach out to your bank to double-check.
Let us know how it goes.