How To Fix FMFG879 - Duplicate document type entries not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: FMFG - U.S. Federal Government Message Class

• Message number: 879

• Message text: Duplicate document type entries not allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FMFG879 - Duplicate document type entries not allowed ?

  The SAP error message FMFG879 "Duplicate document type entries not allowed" typically occurs in the context of Financial Management (FM) when there are attempts to create or process a document type that already exists in the system. This error is often related to the configuration of document types in the Funds Management module.
  Cause:
  
  Duplicate Document Type: The most common cause of this error is that there is an attempt to create a new document type that has the same identifier as an existing document type in the system.
  Configuration Issues: There may be issues in the configuration settings where the same document type is inadvertently defined multiple times.
  Data Entry Errors: Users may mistakenly enter the same document type when trying to create a new entry.
  
  Solution:
  
  
  Check Existing Document Types: 
  
  Navigate to the configuration settings for document types in the Funds Management module. This can typically be found under the path: 
  
  SPRO > Public Sector Management > Funds Management > Document Types > Define Document Types.
  
  
  Review the list of existing document types to ensure that the document type you are trying to create does not already exist.
  
  
  
  Modify or Delete Duplicate Entries:
  
  If you find that a duplicate document type exists, you can either modify the existing entry or delete it if it is not needed.
  Ensure that any changes made do not affect other processes or configurations that rely on the existing document type.
  
  
  
  Use Unique Identifiers: 
  
  When creating new document types, ensure that you use unique identifiers that do not conflict with existing document types.
  
  
  
  Consult Documentation: 
  
  Refer to SAP documentation or help resources for specific guidelines on managing document types in the Funds Management module.
  
  
  
  Check User Authorizations: 
  
  Ensure that the user attempting to create or modify document types has the necessary authorizations to perform these actions.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OBD2 (for document type configuration) and FMX1 (for creating funds management documents).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Testing: After making changes, conduct thorough testing to ensure that the issue is resolved and that no new issues arise from the changes made.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP Financial Management for further assistance.