ACKNOWLEDGE & EMPHATIZE
- I know how frustrating this is, having payments returned is truly inconvenience. 

EXPLAIN THE REASON
- Our payment partners have experienced problems with the payments especially with checking accounts. They are already on top of it and they are taking necessary action to resolve it. 

ALTERNATIVES
- I can send you a link for payment, please use your debit card or if you have a credit card I can offer you a one time credit to cover the credit card fee. 

- DPI CX - You may settle your bill through the Bill Pay System, please prepare your account number ready as well as your debit/credit card.