How To Fix WG004 - Supplier/supplying plant missing. Supply source will be determined

WG004 - Overview

• Message type: E = Error

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

• Message number: 004

• Message text: Supplier/supplying plant missing. Supply source will be determined

What causes this issue?

No supplier or supplying plant was specified in the purchase order.

System Response

A supplier is determined by source determination.

How to fix this error?

If known, enter the supplier or supplying plant.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WG004 - Supplier/supplying plant missing. Supply source will be determined ?

  Certainly! Here's a detailed explanation for the SAP error message WG004 - Supplier/supplying plant missing. Supply source will be determined:
  
  Error Message:
  WG004 - Supplier/supplying plant missing. Supply source will be determined
  
  
  Cause:
  This message occurs during the procurement or material planning process when the system attempts to determine the supply source for a material but cannot find a directly assigned supplier or supplying plant in the material master or source list.
  Specifically:
  
  The system is trying to find a source of supply for a material (e.g., during MRP run, purchase requisition creation, or stock transfer).
  No fixed source of supply (such as a vendor or supplying plant) is maintained in the material master or source list.
  The system therefore cannot directly assign a supplier or plant and will try to determine the source dynamically based on other criteria.
  
  
  When does it occur?
  
  During MRP (Material Requirements Planning) when the system tries to create planned orders or purchase requisitions.
  When creating