How To Fix WG028 - Req. no. &, item &: doc. type, supplier and supplying plant not found

SAP Error Message - Details

• Message type: E = Error

• Message class: WG - Messages for store order and investment buy

• Message number: 028

• Message text: Req. no. &, item &: doc. type, supplier and supplying plant not found

What causes this issue?

Neither document type nor source of supply could be determined
using the transmitted data. The order item cannot therefore be
identified.

System Response

The order item is not posted.

How to fix this error?

Transmit useful data.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WG028 - Req. no. &, item &: doc. type, supplier and supplying plant not found ?

  Certainly! Here's a detailed explanation for the SAP error message WG028:
  
  SAP Error Message: WG028
  Text: Req. no. &, item &: doc. type, supplier and supplying plant not found
  
  Cause
  This error occurs during the processing of a goods receipt or invoice verification when the system cannot find a matching purchase order or scheduling agreement item based on the combination of:
  
  Document type
  Supplier
  Supplying plant
  
  Specifically, the system tries to find a reference document (like a purchase order or scheduling agreement) for the given requisition number and item, but fails because the combination of document type, supplier, and supplying plant does not exist or is inconsistent in the system.
  Common causes include:
  
  The purchase order or scheduling agreement does not exist or has been deleted.
  The document type used in the transaction is incorrect or inconsistent.
  The supplier or supplying plant data in the transaction does not match the data in the purchase order.
  The requisition number or item number is incorrect or does not correspond to an existing document.
  Master data inconsistencies or missing data in vendor or plant master records.
  
  
  Solution
  To resolve the WG028 error, follow these steps:
  
  
  Verify Document Existence:
  
  Check if the purchase order or scheduling agreement referenced by the requisition number and item actually exists in the system.
  Use transaction ME23N (Display Purchase Order) or ME33K (Display Scheduling Agreement) to verify.
  
  
  
  Check Document Type:
  
  Confirm that the document type used in the transaction matches the document type of the purchase order or scheduling agreement.
  Document types are defined in customizing (SPRO) under Materials Management ? Purchasing ? Purchase Order ? Define Document Types.
  
  
  
  Validate Supplier and Supplying Plant:
  
  Ensure that the supplier/vendor number and supplying plant in the transaction match those in the purchase order.
  Check vendor master data (transaction XK03) and plant master data (transaction OX10).
  
  
  
  Correct Requisition Number and Item:
  
  Verify that the requisition number and item number entered are correct and correspond to an existing document.
  
  
  
  Check for Data Consistency:
  
  Look for inconsistencies in master data or transactional data.
  Run consistency checks or use report RM06B000 (Purchase Order Consistency) if available.
  
  
  
  Recreate or Correct the Document:
  
  If the purchase order or scheduling agreement is missing or incorrect, recreate or correct it as needed.
  
  
  
  Consult SAP Notes:
  
  Check SAP Service Marketplace for any relevant SAP Notes related to WG028 for your SAP version.
  
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  ME23N – Display Purchase Order
  ME33K – Display Scheduling Agreement
  XK03 – Display Vendor Master
  OX10 – Maintain Plants
  MIGO – Goods Movement (where error might occur)
  MIRO – Invoice Verification (where error might occur)
  
  
  
  SAP Modules:
  
  Materials Management (MM)
  Logistics Invoice Verification (LIV)
  
  
  
  SAP Customizing Path:
  
  SPRO ? Materials Management ? Purchasing ? Purchase Order ? Define Document Types
  
  
  
  Typical Scenario:
  
  When performing a goods receipt or invoice verification referencing a purchase order, if the system cannot find the PO with the specified document type, supplier, and plant, it throws WG028.
  
  
  
  
  If you provide the exact transaction or scenario where the error occurs, I can help with more specific troubleshooting steps.