How To Fix NAA801 - Documents of differental invoice are not supported. Document &1, Item &2

SAP Error Message - Details

• Message type: E = Error

• Message class: NAA - Subsequent settlement (Purchasing)

• Message number: 801

• Message text: Documents of differental invoice are not supported. Document &1, Item &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message NAA801 - Documents of differental invoice are not supported. Document &1, Item &2 ?

  The SAP error message NAA801, which states "Documents of differential invoice are not supported. Document &1, Item &2," typically occurs in the context of invoice processing, particularly when dealing with differential invoices (also known as partial or pro forma invoices). This error indicates that the system does not support the processing of the specified document type in the context of the operation you are trying to perform.
  Cause:
  
  Document Type: The error usually arises when you are trying to process a differential invoice that is not compatible with the operation you are attempting (e.g., posting, reversing, or adjusting).
  Configuration Issues: There may be configuration settings in the SAP system that do not allow for differential invoices to be processed in certain ways.
  Data Integrity: The document or item referenced may have issues related to data integrity or may not be in a valid state for the operation you are trying to perform.
  
  Solution:
  
  Check Document Type: Verify that the document type you are working with is appropriate for the operation you are trying to perform. If you are trying to post or reverse a differential invoice, ensure that the system allows for that action.
  Review Configuration: Consult with your SAP configuration team to ensure that the settings for differential invoices are correctly configured. This may involve checking the settings in the relevant modules (e.g., MM, SD, FI).
  Use Standard Invoices: If possible, consider using standard invoices instead of differential invoices for the operation you are trying to perform.
  Consult Documentation: Review SAP documentation or notes related to differential invoices to understand any limitations or specific requirements.
  Error Logs: Check the error logs for additional details that may provide more context about the issue.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  SAP Notes: Look for SAP Notes related to error NAA801 for any patches or updates that may address this issue.
  Transaction Codes: Familiarize yourself with relevant transaction codes (e.g., MIRO for invoice verification) that may be involved in the process.
  User Roles: Ensure that the user roles and authorizations are correctly set up to perform the required actions on differential invoices.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.