How To Fix WG128 - Error in document during item change. Document: &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 128

• Message text: Error in document during item change. Document: &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WG128 - Error in document during item change. Document: &1 ?

  SAP Error Message:
  WG128 - Error in document during item change. Document: &1
  
  
  Cause:
  The error message WG128 typically occurs in the Warehouse Management (WM) module of SAP when there is an inconsistency or problem during the change of an inventory document item. This can happen due to:
  
  Attempting to change a document item that is locked or already processed.
  Data inconsistencies between the Warehouse Management (WM) and Inventory Management (IM) modules.
  The document or item is in a status that does not allow changes (e.g., already posted or confirmed).
  Missing or incorrect data in the document item fields.
  Custom enhancements or user exits that cause validation failures during item changes.
  System inconsistencies or incomplete document updates.
  
  
  
  Solution:
  To resolve the WG128 error, follow these steps:
  
  
  Check Document Status:
  
  Verify the status of the document and the item you are trying to change.
  Ensure the document is not already posted or locked.
  Use transaction codes like LX03 (Display WM document) or MB03 (Display Material Document)