How To Fix /ACCGO/OE_CALLOF_API016 - Document type is missing in PO header data

SAP Error Message - Details

• Message type: E = Error

• Message class: /ACCGO/OE_CALLOF_API -

• Message number: 016

• Message text: Document type is missing in PO 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_API016 - Document type is missing in PO header data ?

  The SAP error message /ACCGO/OE_CALLOF_API016 Document type is missing in PO header data typically occurs in the context of the SAP system when there is an issue with the Purchase Order (PO) data being processed. This error indicates that the document type for the Purchase Order is not specified or is missing in the header data of the PO.
  Cause:
  
  Missing Document Type: The most common cause of this error is that the document type field in the Purchase Order header is not populated. This can happen if the PO is being created or modified programmatically and the document type is not being set correctly.
  Configuration Issues: There may be configuration issues in the system that prevent the document type from being recognized or assigned correctly.
  Data Entry Errors: If the PO is being created manually, there may have been an oversight in entering the required document type.
  Custom Development: If there are custom programs or enhancements that interact with the PO creation process, they may not be handling the document type correctly.
  
  Solution:
  
  Check PO Header Data: Verify the Purchase Order header data to ensure that the document type is specified. You can do this by navigating to the PO in the SAP GUI and checking the header information.
  Review Configuration: If the document type is missing, check the configuration settings in the SAP system to ensure that the document types are defined correctly for the relevant purchasing organization and company code.
  Correct Data Entry: If the PO is being created manually, ensure that the user enters the document type in the appropriate field.
  Debug Custom Code: If there are custom programs or enhancements, review the code to ensure that the document type is being set correctly when creating or modifying POs.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on the specific document types used in your organization and how they should be configured.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like ME21N (Create Purchase Order) or ME22N (Change Purchase Order) to check and modify the PO.
  Document Types: Document types in SAP are used to categorize different types of purchasing documents. Common document types include NB (Standard Purchase Order), FO (Framework Order), and others.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling document types in POs.
  User Roles and Authorizations: Ensure that the user creating or modifying the PO has the necessary authorizations to access and modify the document type field.
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or a technical consultant who can provide further assistance.