How To Fix CNV774 - Some jbs for table &1 are still in the selection phase

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 774

• Message text: Some jbs for table &1 are still in the selection phase

What causes this issue?

This error occurs only if the following conditions are met:
Drop-insert technique is used or indexes are dropped
Selection partitioning is used
Because some jobs are still in the selection phase, this job must not
drop the table and/ or the indexes.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check the log for errors.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV774 - Some jbs for table &1 are still in the selection phase ?

  The SAP error message CNV774 indicates that there are still jobs related to a specific table that are in the selection phase. This typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  Cause:
  
  Pending Jobs: The error suggests that there are jobs that have not yet completed their selection phase. This can happen if the system is still processing data or if there are issues with the job scheduling.
  Long-running Processes: If the selection phase takes longer than expected due to large volumes of data or system performance issues, it can lead to this error.
  Job Conflicts: There may be conflicts with other jobs running in the background that are affecting the selection process.
  
  Solution:
  
  Check Job Status: Use transaction code SM37 to check the status of the jobs related to the table in question. Look for jobs that are still in the selection phase and see if they are running or have failed.
  Wait for Completion: If jobs are still running, you may need to wait for them to complete. Monitor the job status periodically.
  Cancel or Restart Jobs: If you find that jobs are stuck or have failed, you may need to cancel them and restart the selection process. Ensure that you handle any dependencies or data integrity issues before doing this.
  Review Logs: Check the logs for any errors or warnings that might indicate why the jobs are not progressing. This can provide insights into underlying issues.
  System Performance: If the selection phase is taking too long, consider checking system performance metrics. You may need to optimize the database or adjust system resources.
  Consult Documentation: Refer to SAP Notes or documentation related to the specific migration or conversion process you are using for any additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM37 (Job Monitoring), SLG1 (Application Log), and ST22 (Dump Analysis) for troubleshooting.
  SAP Notes: Search for SAP Notes related to CNV774 or the specific migration tool you are using for any known issues or patches.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, review the documentation for best practices and troubleshooting tips specific to that tool.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.