How To Fix WS256 - Document &1 is incomplete as there is no item data

WS256 - Overview

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 256

• Message text: Document &1 is incomplete as there is no item data

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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WS256 - Details

• SAP Error Message:
  WS256 Document &1 is incomplete as there is no item data
  
  
  Cause:
  This error occurs when you try to post or process a document (such as a goods receipt, invoice, or any transactional document) in SAP, but the document header exists without any corresponding item data. In SAP, documents typically require at least one item line to be complete and valid. If the system finds a document header without any item entries, it flags the document as incomplete and throws this error.
  Common scenarios causing this error include:
  
  Attempting to post a document where item data was not entered or was deleted.
  Data inconsistencies due to incomplete data transfer or interface errors.
  Custom programs or user exits that create documents but fail to add item details.
  User error where the document header is created but no items are added before saving or posting.
  
  
  
  Solution:
  
  
  Check Document Data:
  
  Verify the document in question (document number &1) to confirm if