<p>If there was an unintentional error in the OP’s FAFSA in a previous year, it is not unreasonable to ask the OP to repay the Pell. However, the OP would be in a better position to negotiate a payment schedule if he/she does so from a position of strength. That means that he/she first needs to run the numbers independently of the college/university FA office to find out what went wrong (if anything).</p>