When a payment doesn't go through, the answer is almost always specific to the kind of payment you made. The articles below cover the most common reasons — bank issues, name mismatches on a debit card, ACH return codes, and the 2:45 PM ET deadline for retries — plus what to do if your second Split Pay payment keeps failing.
If your account is frozen, you've got a negative balance, or your portal payment was rejected, the articles below explain why and what to do next.