How To Fix WS618 - Incorrect entry: No document header data although there is item data

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 618

• Message text: Incorrect entry: No document header data although there is item data

Self-Explanatory Message

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• What is the cause and solution for SAP error message WS618 - Incorrect entry: No document header data although there is item data ?

  SAP Error Message:
  WS618 - Incorrect entry: No document header data although there is item data
  
  
  Cause:
  This error occurs when you try to post or process a document in SAP where item data (line items) exist, but the corresponding document header data is missing or incomplete. In SAP, every document must have a header that contains general information (such as document date, posting date, document type, company code, etc.) and at least one item line. If the system detects item data without a valid header, it raises this error.
  Common scenarios causing this error include:
  
  Programmatic or interface posting where the header data is not passed or is incomplete.
  Custom developments or BAPIs where the header structure is not filled properly.
  Data inconsistencies or corruption in the document tables.
  Incorrect or incomplete data mapping in IDocs or batch input sessions.
  
  
  
  Solution:
  
  
  Check Document Header Data:
  
  Verify that the document header fields are correctly filled before posting.
  Ensure mandatory fields like Document