How To Fix WS879 - No article and no supplier article number were entered

WS879 - Overview

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 879

• Message text: No article and no supplier article number were entered

What causes this issue?

For the settlement document type, settings were made so that the
material is determined directly or via the supplier's material number.
However, neither a material nor a supplier material number was
transferred.

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?

Enter a supplier material number of the supplier or a material or change
the setting of the settlement document type.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WS879 - No article and no supplier article number were entered ?

  Certainly! Here's a detailed explanation for the SAP error message WS879: No article and no supplier article number were entered:
  
  Error Message: WS879 - No article and no supplier article number were entered
  
  
  Cause:
  This error occurs when you try to process a transaction (such as creating or changing a purchase order, scheduling agreement, or other procurement documents) in SAP, but neither the material number (article) nor the supplier's article number (vendor material number) has been entered in the relevant item data.
  
  SAP requires at least one of these identifiers to correctly identify the material being ordered or referenced.
  If both fields are left blank, the system cannot determine what material is being referred to, hence it throws this error.
  
  
  Where it typically occurs:
  
  Purchase Order (PO) creation or change (ME21N / ME22N)
  Scheduling Agreement processing
  Vendor consignment or subcontracting processes
  Any procurement document where material identification is mandatory
  
  
  
  Solution:
  
  
  Enter the Material Number:
  
  In the item details of the procurement document, enter