How To Fix WG003 - External requirement number missing. Set IDoc number

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 003

• Message text: External requirement number missing. Set IDoc number

What causes this issue?

The order number of the system sending the message is missing.

System Response

No order confirmation can be made without an order number.
An internal number was created using the IDoc number.

How to fix this error?

Check the orders received. The field in question must be filled.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WG003 - External requirement number missing. Set IDoc number ?

  Certainly! Here's a detailed explanation for the SAP error message WG003 - External requirement number missing. Set IDoc number:
  
  Error Message:
  WG003 - External requirement number missing. Set IDoc number
  
  Cause:
  This error occurs during the processing of a goods movement or delivery document in SAP when the system expects an external requirement number (often related to an IDoc number or a reference number from an external system) but it is missing or not provided.
  
  The external requirement number is typically used to link the SAP document with an external system or process.
  In many cases, this happens during the creation or processing of an outbound delivery or goods issue when the system is configured to require an external reference.
  The system expects an IDoc number or an external reference number to be set in the document, but it is not found.
  
  
  When does it occur?
  
  During delivery processing (VL01N, VL02N, VL10B, etc.)
  When posting goods issue or inbound/outbound deliveries.
  When the system is configured to require an external reference number for integration or tracking purposes.
  
  
  Solution:
  
  
  Check the configuration:
  
  Verify if the external requirement number is mandatory in your process.
  Check the delivery type or movement type configuration to see if an external reference is required.
  This can be checked in transaction SPRO under Logistics Execution or Sales and Distribution settings.
  
  
  
  Set the external requirement number:
  
  If the process requires an external requirement number, ensure that it is provided during document creation.
  This number can be manually entered or automatically populated from an external system or interface.
  For IDocs, ensure the IDoc number is correctly assigned or linked.
  
  
  
  Check the IDoc processing:
  
  If the error is related to IDoc processing, verify the IDoc status and data.
  Use transaction WE02 or WE05 to check the IDoc.
  Ensure the IDoc contains the external requirement number in the relevant segment.
  
  
  
  Adjust the user exit or BAdI:
  
  Sometimes, custom code or user exits enforce the presence of an external requirement number.
  Review any custom enhancements that might be causing this error.
  Adjust the logic if necessary to handle cases where the external requirement number is not available.
  
  
  
  Data correction:
  
  If the document is already created but missing the external requirement number, you may need to update the document manually or via a program.
  Use transaction VL02N to edit the delivery and enter the external requirement number if possible.
  
  
  
  
  Related Information:
  
  Transaction codes:
  
  VL01N, VL02N, VL10B (Delivery processing)
  WE02, WE05 (IDoc monitoring)
  SPRO (Configuration)
  
  
  Tables:
  
  LIKP (Delivery Header)
  LIPS (Delivery Items)
  EKKO/EKPO (Purchase order header/items if related)
  
  
  IDoc segments:
  
  Check segments like E1EDL20 or similar for external reference fields.
  
  
  Notes and SAP documentation:
  
  Check SAP OSS notes related to WG003 for specific patches or known issues.
  
  
  User exits/BAdIs:
  
  Check for enhancements in delivery processing like USEREXIT_SAVE_DOCUMENT_PREPARE or BAdIs related to delivery.
  
  
  
  
  Summary:
  The WG003 error indicates that an external requirement number (often an IDoc number or external reference) is missing but required for the document processing. The solution involves ensuring that this number is provided either manually, via configuration, or through integration with external systems. Check configuration, IDoc data, and any custom code enforcing this requirement.
  
  If you provide more context (e.g., transaction, process step, or integration scenario), I can help tailor the solution further!