How To Fix /ACCGO/OE_CALLOF_API021 - Document type missing in header data

/ACCGO/OE_CALLOF_API021 - Overview

• Message type: E = Error

• Message class: /ACCGO/OE_CALLOF_API -

• Message number: 021

• Message text: Document type missing in header data

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ACCGO/OE_CALLOF_API021 - Document type missing in header data ?

  The SAP error message /ACCGO/OE_CALLOF_API021 Document type missing in header data typically occurs in the context of the SAP S/4HANA system, particularly when dealing with the API for document processing in the context of financial accounting or logistics.
  
  Cause:
  This error indicates that the document type is not specified in the header data of the API call. Document types are essential in SAP as they define the nature of the document being processed (e.g., invoice, credit memo, etc.) and determine how the system should handle it.
  
  Solution:
  To resolve this error, you should ensure that the document type is included in the header data of your API call. Here are the steps you can take:
  
  
  Check API Call Structure: Review the structure of your API call to ensure that the document type field is included in the header data. The document type is usually a mandatory field.
  
  
  Provide Document Type: If the document type is missing,