How To Fix FUCN_UI039 - Different documents have the same reference number

SAP Error Message - Details

• Message type: E = Error

• Message class: FUCN_UI - Message class for fucn ui

• Message number: 039

• Message text: Different documents have the same reference number

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FUCN_UI039 - Different documents have the same reference number ?

  The SAP error message FUCN_UI039 indicates that there are multiple documents in the system that share the same reference number. This can occur in various SAP modules, particularly in financial transactions, where unique identifiers are expected for each document.
  Cause:
  
  Duplicate Reference Numbers: The most common cause is that two or more documents have been created with the same reference number, which violates the uniqueness constraint.
  Data Entry Errors: Manual entry errors can lead to the same reference number being assigned to different documents.
  System Configuration: In some cases, the system may not be configured to enforce unique reference numbers properly.
  Data Migration Issues: If data has been migrated from another system, it’s possible that duplicate reference numbers were imported.
  
  Solution:
  
  Identify Duplicates: Use transaction codes like SE16 or SE11 to query the relevant database tables (e.g., BKPF for accounting documents) to find the documents with the same reference number.
  Correct the Duplicates: Once identified, you can either:
  
  Change the reference number of one of the documents to ensure uniqueness.
  Delete one of the duplicate documents if it is not needed.
  
  
  Review Data Entry Processes: Ensure that users are trained to avoid duplicate entries and that there are checks in place to prevent this from happening in the future.
  System Configuration: Check the configuration settings in the relevant SAP module to ensure that the system is set up to enforce unique reference numbers.
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or patches that may address this issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like FB03 (Display Document), FB02 (Change Document), and SE16 (Data Browser) to help in identifying and resolving the issue.
  Documentation: Review SAP documentation related to document management and reference number handling for best practices.
  User Training: Conduct training sessions for users to minimize the chances of duplicate entries in the future.
  SAP Community: Engage with the SAP Community or forums for additional insights and solutions from other users who may have faced similar issues.
  
  By following these steps, you should be able to resolve the error and prevent it from occurring in the future.