3804665 - Cannot edit reference field for posted supplier invoices

In the Supplier Invoice List application, the reference field of a supplier invoice that is already posted is not editable

SAP S/4HANA Cloud Public Edition

1. Open the Supplier Invoice List application.
2. Display a supplier invoice with status Posted.
3. Attempt to edit the reference field on the invoice.
4. Observe that the reference field is not editable.

By design, once a supplier invoice is posted, the MM invoice document is no longer editable. This applies to all fields, including the reference field. It is only possible to reverse the supplier invoice and create a new one with the correct reference.

It is possible to update the Reference field directly on the FI accounting document that is generated from this invoice. Please consider leaving the MM invoice as-is and editing the Reference field in the FI document using the Fiori app Manage Journal Entries.

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