How To Fix DMWB_MSG002 - &1 '&2' already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: DMWB_MSG - Messages of Document Modeling Workbench

• Message number: 002

• Message text: &1 '&2' already exists

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMWB_MSG002 - &1 '&2' already exists ?

  The SAP error message DMWB_MSG002 typically indicates that there is an attempt to create or insert a record that already exists in the system. The message format usually looks like this: "&1 '&2' already exists," where &1 represents the object type (like a key or identifier) and &2 represents the specific value that is causing the conflict.
  Cause:
  
  Duplicate Entry: The most common cause of this error is that you are trying to create a new entry (like a master data record, configuration, etc.) that has the same key or identifier as an existing entry in the database.
  Data Migration Issues: If you are migrating data from another system or performing bulk uploads, this error can occur if the data being uploaded contains duplicates.
  Incorrect Logic in Custom Code: If there is custom code or a user exit that is not properly checking for existing records before attempting to create a new one, this error can arise.
  
  Solution:
  
  Check for Existing Records: Before attempting to create a new record, check the database or the relevant table to see if a record with the same key already exists. You can do this through transaction codes like SE16 or SE11.
  Modify the Data: If you are trying to upload or create multiple records, ensure that there are no duplicates in your data source. Clean up the data to remove duplicates before the upload.
  Error Handling in Custom Code: If this error is occurring due to custom code, review the logic to ensure that it checks for existing records before attempting to create new ones. Implement error handling to manage such scenarios gracefully.
  Use Update Instead of Create: If the intention is to update an existing record, ensure that you are using the correct function or method to update rather than create a new entry.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE16 (Data Browser) or SE11 (Data Dictionary) to investigate the existing records in the relevant tables.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, specific versions of SAP may have bugs that are documented in SAP Notes.
  Documentation: Review the documentation for the specific module or functionality you are working with to understand the constraints and requirements for record creation.
  
  If the issue persists after checking for duplicates and ensuring proper data handling, consider reaching out to your SAP support team or consulting the SAP community for further assistance.