How To Fix CNV_10940_MSG557 - Argument error while searching free background work processes

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10940_MSG - Message Class for Report Variant Scan

• Message number: 557

• Message text: Argument error while searching free background work processes

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10940_MSG557 - Argument error while searching free background work processes ?

  The SAP error message CNV_10940_MSG557 with the description "Argument error while searching free background work processes" typically occurs in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is an issue with the system's ability to find available background work processes to execute a task.
  Causes:
  
  Insufficient Background Work Processes: The system may not have enough background work processes configured or available to handle the current workload.
  System Configuration Issues: There may be configuration issues in the SAP system that prevent the proper allocation of background work processes.
  High System Load: The system might be under heavy load, causing all available background work processes to be occupied.
  Authorization Issues: The user executing the task may not have the necessary authorizations to access or utilize background work processes.
  Technical Issues: There could be underlying technical issues, such as problems with the SAP kernel or other system components.
  
  Solutions:
  
  
  Check Background Work Process Configuration:
  
  Go to transaction SM50 or SM66 to monitor the work processes.
  Check the configuration in transaction RZ10 or RZ11 to ensure that the number of background work processes is set appropriately.
  
  
  
  Increase Background Work Processes:
  
  If the number of background work processes is low, consider increasing it in the instance profile settings (transaction RZ10).
  After making changes, restart the instance for the changes to take effect.
  
  
  
  Monitor System Load:
  
  Use transaction ST03N to analyze the workload and see if the system is under heavy load.
  If necessary, schedule jobs during off-peak hours to reduce load.
  
  
  
  Check Authorizations:
  
  Ensure that the user executing the migration or conversion has the necessary authorizations to access background processing.
  
  
  
  Review System Logs:
  
  Check the system logs (transaction SM21) for any related errors or warnings that might provide more context about the issue.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes that might address this specific error or provide patches or updates that could resolve the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM50: Monitor work processes.
  SM66: Global work process overview.
  RZ10: Profile parameters.
  ST03N: Workload analysis.
  SM21: System log.
  
  
  
  SAP Documentation: Refer to the official SAP documentation for more details on background processing and system configuration.
  
  
  By following these steps, you should be able to diagnose and resolve the CNV_10940_MSG557 error effectively.