How to fix a Customer Prepayment that is Applied to Wrong Customer in Sage 300

Adjust the prepayment to zero in the wrong customer, and add a new receipt for the correct customer.

1. Create a new AR adjustment batch
2. Pick the incorrect customer and document, and adjust it to zero using the bank’s GL account (update the debits/credits) post and confirm GL Batch is correct
3. Create a new AR Receipt batch as a prepayment
4. Add a receipt for the new customer
5. Post the batches