How To Fix V4256 - Document no longer modifiable; purch. orders in doc. flow are archived

SAP Error Message - Details

• Message type: E = Error

• Message class: V4 - Nachrichten Verkauf (Variable Meldungen und EDI-Meldungen)

• Message number: 256

• Message text: Document no longer modifiable; purch. orders in doc. flow are archived

What causes this issue?

Purchase orders have already been archived in the document flow of the
sales document.

System Response

You can no longer change the sales document.

How to fix this error?

You can display the sales document using the corresponding display
transaction. The archived purchase orders are read from the archive.
Depending on how the archive is structured, this can take a long time.
Purchase orders must be read from the archive to calculate different
statuses in the sales document.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.