How To Fix CNV_OM_PRESEL042 - Some preselection tasks are not on status "ready"

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_OM_PRESEL - Messages for LT Object Based Preselection

• Message number: 042

• Message text: Some preselection tasks are not on status "ready"

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_OM_PRESEL042 - Some preselection tasks are not on status "ready" ?

  The SAP error message CNV_OM_PRESEL042 indicates that some preselection tasks in the conversion process are not in the "ready" status. This typically occurs during data migration or conversion activities, particularly when using SAP's Conversion Tools or the SAP S/4HANA Migration Cockpit.
  Cause:
  The error can be caused by several factors, including:
  
  Incomplete Preselection Tasks: Some preselection tasks may not have been completed successfully, leading to them not being marked as "ready."
  Errors in Previous Steps: If there were errors in earlier steps of the migration process, it could prevent subsequent tasks from being marked as ready.
  Configuration Issues: Incorrect configuration settings or missing prerequisites for the preselection tasks can lead to this error.
  Data Issues: Problems with the data being migrated, such as inconsistencies or missing data, can also cause preselection tasks to fail.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Task Status: Go to the relevant transaction (e.g., transaction code LTMC for Migration Cockpit) and check the status of the preselection tasks. Identify which tasks are not in the "ready" status.
  
  
  Review Logs: Look at the logs for the preselection tasks to identify any specific errors or warnings that may indicate why they are not ready. This can provide insights into what needs to be fixed.
  
  
  Fix Errors: Address any errors identified in the logs. This may involve correcting data issues, reconfiguring settings, or completing any prerequisite tasks.
  
  
  Re-run Preselection Tasks: After addressing the issues, re-run the preselection tasks to see if they can now be marked as "ready."
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration or conversion process you are using. There may be specific guidelines or troubleshooting steps provided by SAP.
  
  
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific situation.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific conversion tool you are using for best practices and troubleshooting tips.
  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 and resolve the underlying issues causing the CNV_OM_PRESEL042 error.