How To Fix WS772 - Item number &1 already exists (item was deleted)

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 772

• Message text: Item number &1 already exists (item was deleted)

What causes this issue?

The item number &V1& was deleted from the current list. It can only be
assigned after saving.

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.