My sympathy... Not any remediation I can think of. Here's the instruction guide:
CIC will return your application in all of the following circumstances:
The Fee Payment Form – for Sponsors of Parents and Grandparents (IMM 5770) is not included in your application;
Fees are not paid by certified cheque or credit card;
Payment is declined when CIC attempts to process the fees required
The credit card used for the payment of fees expires in less than nine months after the date on which you submitted your application;
The fee amount authorized on the Fee Payment Form is insufficient.
The last statement made it clear that the package will get returned. However, if I were you, I'm not ready to give up. I would call CIC immediately and attempt to fax another payment form to their office. But the chance is slim to none. I'm rooting for you but if not this year, I'm hoping you have good luck next year. It's a long wait, and 1 more year delay does not make that much difference.