We are getting an error message when we try to cancel a matched Invoice

APP-SQLAP-97150: You cannot cancel this invoice because the cancellation would reduce the quantity or amount billed on one or more purchase orders to be less than zero.We suggest you run the Matching Detail report for this invoice and the purchase orders to which it is matched in order to review the matching history. This report can assist you in identifying negative-amount distributions that are matched to the same purchase order(s) as this invoice.