How To Fix CNV_10020551 - Job name and/or job number is empty; job log cannot be displayed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 551

• Message text: Job name and/or job number is empty; job log cannot be displayed

What causes this issue?

To display the job log, the system needs the job name as well as the
job number. For the given job, at least one of these is missing. It is
probably a job that was executed in the foreground.

System Response

It is not possible to display the job log. If the job terminates, you
can branch off to the dump analysis.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020551 - Job name and/or job number is empty; job log cannot be displayed ?

  The SAP error message CNV_10020551 indicates that the job name and/or job number is empty, which prevents the job log from being displayed. This error typically occurs in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  Cause:
  
  Missing Job Information: The job name or job number is not being passed correctly to the system, which can happen if the job was not created successfully or if there was an issue during the job execution.
  Job Deletion: The job may have been deleted or not yet created, leading to an empty reference when trying to access the job log.
  Authorization Issues: The user may not have the necessary authorizations to view the job logs, which can lead to the appearance of missing job information.
  Technical Issues: There may be underlying technical issues in the SAP system, such as database inconsistencies or problems with the job scheduling system.
  
  Solution:
  
  Check Job Creation: Ensure that the job was created successfully. You can do this by checking the job overview in transaction SM37 (Job Monitoring).
  Verify Job Status: If the job exists, check its status. If it has failed or is not in a completed state, you may need to investigate the cause of the failure.
  Re-run the Job: If the job was not created or has failed, try re-running the job or the migration process to see if it generates a valid job name and number.
  Check Authorizations: Ensure that the user has the necessary authorizations to view job logs. This may involve checking roles and permissions in transaction PFCG.
  Consult Logs: Look at the system logs (transaction SM21) or the developer trace (transaction ST22) for any additional error messages that might provide more context on the issue.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes:
  
  SM37: Job Monitoring
  SM21: System Log
  ST22: Dump Analysis
  PFCG: Role Maintenance
  
  
  Documentation: Review SAP documentation related to the specific migration or conversion process you are using, as it may provide additional insights or troubleshooting steps.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches or updates that could resolve the issue.
  
  By following these steps, you should be able to diagnose and resolve the error CNV_10020551 effectively.