How To Fix CNV_MBT236 - Job for activity &1 should be scheduled after completed preprocessor.


SAP Error Message - Details

  • Message type: E = Error

  • Message class: CNV_MBT - PCL message class

  • Message number: 236

  • Message text: Job for activity &1 should be scheduled after completed preprocessor.

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Smart SAP Assistant

  • What is the cause and solution for SAP error message CNV_MBT236 - Job for activity &1 should be scheduled after completed preprocessor. ?

    The SAP error message CNV_MBT236 indicates that a job for a specific activity should be scheduled only after the completion of a preprocessor job. This error typically arises in the context of data migration or conversion processes, particularly when using SAP's Migration Cockpit or similar tools.

    Cause:

    The error occurs when there is an attempt to execute a job that depends on the successful completion of a preprocessor job. The preprocessor is responsible for preparing the data or environment for the subsequent job, and if it has not completed successfully, the system cannot proceed with the next steps.

    Solution:

    To resolve this error, follow these steps:

    1. Check Preprocessor Job Status:

      • Go to the job monitoring transaction (e.g., SM37) and check the status of the preprocessor job associated with the activity in question.
      • Ensure that the preprocessor job has completed successfully. If it has failed, you will need to investigate the cause of the failure.
    2. Review Logs:

      • If the preprocessor job has failed, review the job logs for any error messages or warnings that can provide insight into what went wrong.
      • Address any issues identified in the logs.
    3. Rerun Preprocessor Job:

      • If the preprocessor job failed, correct any issues and rerun the preprocessor job.
      • Ensure that it completes successfully before attempting to run the dependent job again.
    4. Schedule Jobs Appropriately:

      • If you are manually scheduling jobs, ensure that the dependent job is scheduled to run only after the preprocessor job has completed.
      • You may need to set up job dependencies in the job scheduling configuration.
    5. Consult Documentation:

      • Refer to the SAP documentation or notes related to the specific migration or conversion process you are working on. There may be specific instructions or prerequisites that need to be followed.
    6. Contact SAP Support:

      • If you are unable to resolve the issue, consider reaching out to SAP support for assistance. Provide them with the details of the error and any relevant logs.

    Related Information:

    • Transaction Codes: Familiarize yourself with relevant transaction codes such as SM37 (Job Monitoring), ST22 (Dump Analysis), and SLG1 (Application Log) to help diagnose issues.
    • SAP Notes: Search for SAP Notes related to the specific migration tool or process you are using, as they may contain important information about known issues and fixes.
    • Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, ensure that you are following the recommended steps and guidelines provided in the official documentation.

    By following these steps, you should be able to resolve the CNV_MBT236 error and successfully proceed with your data migration or conversion activities.

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