Cannot edit sale return in SO module

Acumatica's standard workflow creates a Credit Memo from the return order using Prepare Invoice. The Credit Memo contains links to the related sales order and shipment, so deleting its detail lines does not necessarily make the source order available again.

1. Check the Sales Return status
- Open the Sales Return in Sales Orders (SO301000).
- Check its status and whether it has already been invoiced or completed.
- Check whether the updated item lines are saved.
2. Check the Credit Memo
- Open Invoices (SO303000).
- Check whether the Credit Memo is still on hold or has already been released.
- Check whether the original Sales Return is still linked to it.
3. Try the appropriate recovery
- If the Credit Memo is still on hold, save it and check whether the original order remains linked.
- If it has already been released, don't try to reuse it by simply adding the Sales Return again. You may need to create a new return/credit document, depending on the document status and processing history.

Hi ​@vannakheng,

Could you clarify what changes you made to the Sales Return after deleting the lines from the Credit Memo?

For example:

• Did you add new lines to the Sales Return?
• Did you modify the quantity, inventory item, warehouse, or price on existing lines?
• Was the Sales Return saved after the changes were made?

Understanding the specific changes will help determine whether the document is still linked to the existing Credit Memo and whether the behavior you're seeing is expected.

@vannakheng Add Order can't find it because that list doesn't show orders on their own. It shows orders that have a shipment or receipt that hasn't been invoiced yet. A return you invoiced straight from the order, with no receipt, never shows up there.

Go back to the return on Sales Orders (SO301000) and click Prepare Invoice again. That builds a new credit memo from the return as it is now, with your updated items.

I ran your steps on 2026 R1 with a CM order type. Prepare Invoice made the credit memo. I deleted its line and saved, and the return went back to Open, which is why you were able to edit it. I changed the quantity from 1 to 2, and Add Order on the old credit memo came up empty, same as yours. Prepare Invoice on the return then made a new credit memo for 2.

The old credit memo stays behind with no lines and a zero balance.