Why can't I modify my one-time payment?

The following reasons may prevent you from modifying your one-time payment:

• The account is not in good standing, for example: two instances of a “not sufficient funds” payment stop, an active bankruptcy, suspense amounts on the loan, the loan is more than 60 days past due, or you are enrolled in Flex Pay)
• The total amount due or the fees due have changed since you created the payment and the payment includes fees