How To Fix CNV_OM059 - Subproject &1 exists

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_OM - Messages for Objectbased Migration

• Message number: 059

• Message text: Subproject &1 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 CNV_OM059 - Subproject &1 exists ?

  The SAP error message CNV_OM059 indicates that a subproject with the specified identifier already exists in the system. This error typically arises during the execution of a project or migration process, particularly in the context of SAP's data migration tools or project management functionalities.
  Cause:
  The error occurs when:
  
  You attempt to create a new subproject with an identifier that is already in use.
  There may be a duplicate entry in the database for the subproject.
  The system is configured to prevent the creation of duplicate subprojects to maintain data integrity.
  
  Solution:
  To resolve the CNV_OM059 error, you can take the following steps:
  
  
  Check Existing Subprojects:
  
  Use transaction codes like CN22 (for project management) or relevant reports to list existing subprojects.
  Verify if the subproject identifier you are trying to create already exists.
  
  
  
  Use a Different Identifier:
  
  If the subproject already exists and you need to create a new one, consider using a different identifier that is not currently in use.
  
  
  
  Delete or Modify Existing Subproject:
  
  If the existing subproject is no longer needed, you may delete it (if permissible) or modify it to fit your requirements.
  
  
  
  Consult Documentation:
  
  Review the relevant SAP documentation or notes related to project management or the specific migration tool you are using for any additional guidelines.
  
  
  
  Check for System Locks:
  
  Ensure that there are no system locks or issues that might be causing the error. Sometimes, background jobs or other processes can interfere.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They may provide insights specific to your system configuration or version.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes related to project management, such as CJ20N (Project Builder) and CJ02 (Change Project).
  SAP Notes: Search for SAP Notes related to CNV_OM059 for any patches or updates that may address this issue.
  Data Migration Tools: If this error occurs during data migration, ensure that you are following the correct procedures and guidelines for the specific migration tool you are using.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.