/ACCGO/CMN019 - Duplicate entries exist

SAP Error Message - Details

• Message type: E = Error

• Message class: /ACCGO/CMN -

• Message number: 019

• Message text: Duplicate entries exist

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

AnswerBot

• What is the cause and solution for SAP error message /ACCGO/CMN019 - Duplicate entries exist ?

  The SAP error message /ACCGO/CMN019 Duplicate entries exist typically occurs in the context of the SAP General Ledger (G/L) or during the execution of certain financial transactions. This error indicates that there are duplicate entries in the system that violate the uniqueness constraints expected by the application.
  Cause:
  
  
  Duplicate Data: The most common cause of this error is that there are duplicate entries in the database for the same transaction or record. This can happen due to:
  
  Manual data entry errors.
  Data import processes that do not check for existing records.
  Incorrect configuration or settings in the system that allow duplicates.
  
  
  
  Configuration Issues: Sometimes, the configuration of the financial documents or the settings in the G/L accounts may allow for duplicates, leading to this error.
  
  
  Custom Code: If there are custom programs or enhancements in place, they may inadvertently create duplicate entries.
  
  
  Solution:
  
  
  Identify Duplicates: 
  
  Use transaction codes like SE16 or SE11 to check the relevant database tables for duplicate entries. You can also use SQL queries to find duplicates based on key fields.
  Check the specific transaction or document number that is causing the error.
  
  
  
  Data Cleanup: 
  
  Once duplicates are identified, you may need to delete or correct the duplicate entries. This should be done carefully to avoid data integrity issues.
  If the duplicates are due to a data import, ensure that the import process includes checks for existing records.
  
  
  
  Review Configuration: 
  
  Review the configuration settings in the G/L accounts and ensure that they are set up correctly to prevent duplicates.
  Check for any custom code that may be causing the issue and modify it as necessary.
  
  
  
  Testing: 
  
  After making changes, test the process again to ensure that the error no longer occurs.
  
  
  
  Consult Documentation: 
  
  Refer to SAP documentation or notes related to the specific module you are working with for additional guidance.
  
  
  
  Seek Help: 
  
  If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SE16: Data Browser for checking table entries.
  SE11: Data Dictionary for viewing table structures.
  FB03: Display Document to view financial documents.
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for notes using the SAP Support Portal.
  
  
  Data Integrity: Maintaining data integrity is crucial in financial systems. Regular audits and checks can help prevent such issues from arising in the future.
  
  
  By following these steps, you should be able to resolve the /ACCGO/CMN019 Duplicate entries exist error in SAP.