Recovery from Account Management System Issue (Dec. 30)
The payment processing company experienced technical difficulties with its system at the time below.
As a result, an error may have occurred when the operations below were performed, but the issue has been resolved, and the system can now be used normally.

[Date & Time]
Dec. 30, 2022 8:00 to Dec. 31, 2022 19:00 (PST)
Dec. 30, 2022 16:00 to Jan. 1, 2023 3:00 (GMT)

[Details]
An error may have occurred when using a credit card or ELV and performing the following operations:
- Registering or changing method of payment
- Purchasing a security token
- Applying for a Home World Transfer
- Purchasing or restoring content ID
- Purchasing expansion content or extra scenarios

[Details]
An error may have occurred when using a credit card, ELV, PayPal, or Boletobancario and performing the following operations:
- Charging Square Enix Crysta

[Affected Services]
- Payments with credit card, ELV, PayPal, or Boletobancario
So yeah, this is likely the reason the payment failed, given the date of the original post.