How To Fix CNV_20309012 - Comparison was not started

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20309 -

• Message number: 012

• Message text: Comparison was not started

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_20309012 - Comparison was not started ?

  The SAP error message CNV_20309012: Comparison was not started typically occurs in the context of data migration or data comparison processes, particularly when using SAP's tools for data conversion or migration, such as the SAP S/4HANA Migration Cockpit or other data migration tools.
  Cause:
  The error message indicates that a comparison process, which is supposed to compare data between two systems or datasets, has not been initiated. This can happen due to several reasons, including:
  
  Configuration Issues: The comparison process may not be properly configured or set up in the system.
  Missing Data: The data that needs to be compared may not be available or may not have been loaded correctly.
  Authorization Issues: The user may not have the necessary authorizations to start the comparison process.
  Technical Errors: There may be underlying technical issues, such as system performance problems or bugs in the migration tool.
  
  Solution:
  To resolve the error CNV_20309012, you can follow these steps:
  
  
  Check Configuration: Ensure that the comparison process is correctly configured. Review the settings and parameters used for the comparison.
  
  
  Load Data: Verify that all necessary data has been loaded into the system. If data is missing, ensure that it is properly imported before starting the comparison.
  
  
  User Authorizations: Check the user roles and authorizations. Make sure that the user attempting to start the comparison has the necessary permissions.
  
  
  Review Logs: Look at the logs or error messages generated during the migration or comparison process. This can provide more context on why the comparison was not started.
  
  
  Restart the Process: Sometimes, simply restarting the migration or comparison process can resolve transient issues.
  
  
  Consult Documentation: Refer to the official SAP documentation for the specific migration tool you are using. There may be additional troubleshooting steps or known issues documented.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. They can provide more detailed insights based on your specific system configuration and logs.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide patches and updates.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for data migration.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to successfully start the comparison process.