How To Fix WG010 - Empty identifier in segment & will be ignored

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 010

• Message text: Empty identifier in segment & will be ignored

What causes this issue?

The value of the identifier is missing.

System Response

The segment is ignored.

How to fix this error?

It is useful to transfer filled segments to the interface (see the
interface description for the inbound store order).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WG010 - Empty identifier in segment & will be ignored ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WG010 Empty identifier in segment & will be ignored
  
  Cause:
  This error occurs during IDoc processing or generation when a segment contains an empty or missing identifier field. In IDocs, each segment must have a valid identifier (segment name or segment ID). If the system encounters a segment with an empty identifier, it cannot process or map that segment correctly, so it issues this warning/error and ignores the segment.
  Common causes include:  
  
  Incorrect or incomplete segment data being passed to the IDoc.  
  Custom or user-exits/enhancements incorrectly populating segment data.  
  Mapping errors in ALE/EDI where segment identifiers are not properly assigned.  
  Data inconsistencies or missing mandatory fields in the source data.
  
  
  Solution:
  
  
  Check the IDoc segment data:  
  
  Use transaction WE02 or WE05 to display the IDoc and verify which segment is empty or missing the identifier.  
  Identify the segment number and segment name that is causing the issue.
  
  
  
  Review the data source:  
  
  Check the application data or the interface that is generating the IDoc.  
  Ensure that all mandatory fields, especially the segment identifier, are correctly filled.
  
  
  
  Debug or analyze user-exits/enhancements:  
  
  If custom code is used to populate IDoc segments (e.g., in user-exits like EXIT_SAPLVEDA_001 or BAdIs), debug to ensure segment identifiers are assigned properly.
  
  
  
  Check ALE/EDI mapping:  
  
  Verify the segment mapping in transaction WE20 (partner profiles) and WE31 (segment definitions).  
  Ensure that the segment structure is correctly defined and that no segments are left without identifiers.
  
  
  
  Correct the interface or middleware:  
  
  If the IDoc is generated via middleware (e.g., PI/PO, CPI), check the mapping and transformation logic to ensure segment identifiers are not lost or removed.
  
  
  
  Reprocess the IDoc:  
  
  After corrections, reprocess the IDoc to confirm the issue is resolved.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:  
  
  WE02 / WE05 – Display IDocs  
  WE31 – Segment Editor  
  WE20 – Partner Profiles  
  BD87 – Reprocess IDocs
  
  
  
  Notes and Documentation:  
  
  SAP Note related to IDoc segment issues (search SAP Support Portal with message number WG010).  
  Check SAP Help for IDoc structure and segment requirements.
  
  
  
  Common Scenarios:  
  
  Occurs often in custom IDoc interfaces where segment data is manually populated.  
  Can happen if a segment is conditionally filled and the condition fails, leaving the segment identifier empty.
  
  
  
  
  If you provide the context of where and when this error occurs (e.g., during IDoc creation, inbound processing, specific module), I can help with more tailored advice.