How To Fix RW001 - No unique header information transferred into Accounting

SAP Error Message - Details

• Message type: E = Error

• Message class: RW - Interface to Accounting

• Message number: 001

• Message text: No unique header information transferred into Accounting

What causes this issue?

The interface into Accounting requires:
Header data
Item data
Currency data
The header data is missing, or several items were transferred.

System Response

Processing of the data in the Accounting interface is not possible.

How to fix this error?

This is a system error of the application which was called up.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RW001 - No unique header information transferred into Accounting ?

  The SAP error message RW001 ("No unique header information transferred into Accounting") typically occurs during the posting of documents in the SAP system, particularly in the context of financial accounting or when dealing with invoice processing. This error indicates that the system is unable to identify a unique header for the document being processed, which is necessary for proper accounting entries.
  Causes:
  
  Missing or Incomplete Data: The document being processed may lack essential header information, such as document type, company code, or fiscal year.
  Duplicate Entries: There may be duplicate entries in the document that prevent the system from determining a unique header.
  Configuration Issues: Incorrect configuration in the financial accounting settings or document types can lead to this error.
  Data Consistency Issues: Inconsistencies in the data being transferred from other modules (like MM or SD) to FI can cause this error.
  User Authorization: The user may not have the necessary authorizations to post the document, leading to incomplete data being sent to accounting.
  
  Solutions:
  
  Check Document Data: Review the document for completeness. Ensure that all required fields are filled out correctly, including document type, company code, and fiscal year.
  Review Configuration: Check the configuration settings for the document type in the Financial Accounting (FI) module. Ensure that the settings are correct and that the document type is properly defined.
  Eliminate Duplicates: If there are duplicate entries, resolve them by ensuring that each document has a unique identifier.
  Data Consistency Check: Run consistency checks to ensure that the data being transferred from other modules is accurate and complete.
  User Authorization: Verify that the user has the necessary permissions to post the document. If not, adjust the user roles and authorizations accordingly.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that resolve known issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB01 (Post Document), FB50 (G/L Account Document), and others that may be involved in the posting process.
  SAP Documentation: Refer to SAP Help documentation for detailed information on document posting and error handling in the FI module.
  Debugging: If the issue persists, consider using the debugging tools in SAP to trace the document posting process and identify where the error occurs.
  
  By following these steps, you should be able to diagnose and resolve the RW001 error in SAP. If the problem continues, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.