How To Fix CNV_CMIS_A_20021 - Subactivity & started on destination &

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CMIS_A_20 - Message class for Cross-Client Customizing Comparison (SLO)

• Message number: 021

• Message text: Subactivity & started on destination &

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.

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CMIS_A_20021 - Subactivity & started on destination & ?

  The SAP error message CNV_CMIS_A_20021 typically relates to issues encountered during the execution of a conversion or migration activity in the context of SAP's Conversion and Migration tools, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  Cause:
  The error message CNV_CMIS_A_20021 indicates that a subactivity has started on a specific destination, but there may be issues related to:
  
  Configuration Issues: The destination system may not be properly configured or connected.
  Authorization Problems: The user executing the activity may not have the necessary authorizations to perform the task.
  Data Issues: There may be inconsistencies or issues with the data being processed.
  Technical Errors: There could be underlying technical issues, such as network problems or system performance issues.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Configuration:
  
  Ensure that the destination system is correctly configured in the SAP Landscape.
  Verify the connection settings and ensure that the destination is reachable.
  
  
  
  Review Authorizations:
  
  Check the user roles and authorizations to ensure that the user has the necessary permissions to execute the subactivity.
  
  
  
  Examine Logs:
  
  Look at the detailed logs for the migration or conversion process. This can provide more context on what specifically caused the error.
  Use transaction codes like SLG1 (Application Log) to find relevant logs.
  
  
  
  Data Validation:
  
  Validate the data being processed to ensure there are no inconsistencies or errors that could cause the subactivity to fail.
  
  
  
  Technical Support:
  
  If the issue persists, consider reaching out to SAP Support for assistance. Provide them with the error message details and any relevant logs.
  
  
  
  Documentation:
  
  Refer to the official SAP documentation for the specific migration or conversion tool you are using. This can provide insights into common issues and their resolutions.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide patches or updates.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues.
  SAP Help Portal: Utilize the SAP Help Portal for detailed guides and troubleshooting steps related to the migration or conversion process.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution.