For the scenario that you ship the wrong item to customer, and you will replace the item to customer when they return the item to you.
Step-by-step guide
1, Use search function to find Sales Return Order
2, Click New
3, In General Tab, enter Customer Name and External Document No
4. Select Process => Get Posted Document Lines to Reverse...
5. Select Posted Sales Document Line to return
(1) by default, option for Posted Invoices for the customer to be shows
(2) select the posted sales invoice line for return
(3) Click OK for confirm the selection
6. The return item 70061 added from the posted invoice line. Select the Return Reason Code if needs
7. If you want to ship a correct item to the customer, you can enter the line with navigate quantity.
The correct item will not ship and invoice from the sales return order, but you can use the system function to create the sales order to ship and invoice for the correct item in effective way.
8. Create sales order for the correct item by use Move Negative Lines... function.
9. Create sales order - Move negative sales lines default to document type Order, click OK to confirm
User can change the option to Invoice if needs.
10. Sales Order created for the correct item, click Yes for open the sales order for post shipment and invoice
11. If use the function Move Negative Sales Line to create sales order, following information to be copy from sales return order
(1) External Document No.
(2) Original invoice no. and shipment no. it processed the sales return
12. Go back to the sales return order for positing