How To Fix CNV_10940_MSG559 - No free work processers found

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 559

• Message text: No free work processers found

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10940_MSG559 - No free work processers found ?

  The SAP error message CNV_10940_MSG559: No free work processes found typically indicates that the SAP system has run out of available work processes to handle incoming requests. This can occur during data migration or other operations that require significant processing resources.
  Causes:
  
  High Load: The system may be experiencing a high volume of transactions or background jobs, leading to all work processes being occupied.
  Configuration Issues: The number of work processes configured in the SAP system may be insufficient for the current workload.
  Long-Running Jobs: Some jobs may be taking longer than expected, holding onto work processes and preventing new requests from being processed.
  Deadlocks or Resource Contention: There may be deadlocks or contention for resources that are causing processes to hang.
  System Performance Issues: General performance issues, such as memory or CPU bottlenecks, can also lead to work processes being tied up.
  
  Solutions:
  
  Monitor Work Processes: Use transaction SM50 or SM66 to monitor the status of work processes. Identify any long-running or stuck processes and terminate them if necessary.
  Increase Work Processes: If the workload consistently exceeds the current configuration, consider increasing the number of work processes in the SAP profile parameters. This can be done in transaction RZ10 by adjusting the parameters for the instance profile (e.g., rdisp/wp_no_dia, rdisp/wp_no_btc, etc.).
  Optimize Background Jobs: Review and optimize background jobs to ensure they are not consuming excessive resources. Consider scheduling them during off-peak hours.
  Check for Deadlocks: Investigate any potential deadlocks or resource contention issues. Use transaction SM21 to check the system log for any related errors.
  System Performance Tuning: Analyze system performance metrics and consider tuning the system for better resource allocation. This may involve adjusting memory settings, CPU allocation, or database performance.
  Restart the Instance: As a last resort, if the system is unresponsive and no other solutions work, consider restarting the SAP instance to clear any stuck processes.
  
  Related Information:
  
  SAP Notes: Check for relevant SAP Notes that may provide additional guidance or patches related to this error.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Documentation: Review SAP documentation for best practices on configuring work processes and managing system performance.
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to resolve the error and restore normal operation to your SAP system.