How To Fix CNV20551828 - Number of background jobs is not sufficient to start the activity


SAP Error Message - Details

  • Message type: E = Error

  • Message class: CNV20551 - message for package 20551 (company code delete)

  • Message number: 828

  • Message text: Number of background jobs is not sufficient to start the activity

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  • 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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    First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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Smart SAP Assistant

  • What is the cause and solution for SAP error message CNV20551828 - Number of background jobs is not sufficient to start the activity ?

    The SAP error message CNV20551828, which states that "Number of background jobs is not sufficient to start the activity," typically occurs during data migration or conversion processes, particularly when using SAP's tools for data migration (like the SAP S/4HANA Migration Cockpit or other conversion tools). This error indicates that there are not enough background processing jobs available to execute the required tasks.

    Cause:

    1. Insufficient Background Jobs: The system has a limited number of background processing jobs configured, and the current workload exceeds this limit.
    2. Job Scheduling: There may be too many jobs already scheduled, leading to a bottleneck.
    3. System Configuration: The system may not be configured to allow enough parallel processing jobs for the activities being executed.

    Solution:

    1. Increase Background Job Capacity:

      • Go to transaction SM37 (Job Monitoring) to check the status of background jobs.
      • If there are many jobs running, consider canceling unnecessary jobs or waiting for them to complete.
      • You can also increase the number of background work processes in the system profile parameters. This can be done by adjusting the rdisp/wp_no_btc parameter in the instance profile. For example, if it is set to 2, you might increase it to 4 or more, depending on your system's capacity.
    2. Check Job Scheduling:

      • Review the scheduled jobs and their priorities. If there are jobs that can be rescheduled or have lower priority, consider adjusting them.
    3. Monitor System Performance:

      • Use transaction ST03N to analyze the workload and performance of the system. This can help identify if there are any performance issues that need to be addressed.
    4. Consult SAP Notes:

      • Check for any relevant SAP Notes that might provide additional guidance or patches related to this error.
    5. System Restart:

      • In some cases, restarting the application server can help clear up any stuck jobs or processes.

    Related Information:

    • Transaction Codes:
      • SM37: Job Monitoring
      • SM50: Process Overview
      • ST03N: Workload Analysis
    • SAP Notes: Always check the SAP Support Portal for any specific notes related to your version of SAP and the error message.
    • Documentation: Review the official SAP documentation for data migration and background job management for best practices.

    If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.

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