Duplicate Bills printed on Balance Forward Billing

Summary:

Same Bill number printed twice on Balance Forward Billing Summary Report

Content (please ensure you mask any confidential information):

We have a situation where few old open transactions which were created using inactive Bill-to Site use number. Others are using new bill-to site use number. Both of them were applied to a Single Receipt where the Bill-to location was not populated in the receipt. When we run BFB program, it is printing duplicate bills and the header amounts are also doubled. Do we know what could be the root cause or how to address this to have a single bill with correct header amount.