How To Fix /SAPAPO/ATP_BOP308 - Increase the maximum number of processes started simultaneously

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/ATP_BOP -

• Message number: 308

• Message text: Increase the maximum number of processes started simultaneously

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/ATP_BOP308 - Increase the maximum number of processes started simultaneously ?

  The SAP error message /SAPAPO/ATP_BOP308 indicates that the maximum number of processes that can be started simultaneously has been exceeded. This typically occurs in the context of Advanced Planning and Optimization (APO) when there are too many background processes or jobs trying to run at the same time, which can lead to performance issues or resource contention.
  Cause:
  
  High Load: A large number of background jobs or processes are being executed simultaneously, which exceeds the configured limits.
  Configuration Limits: The system has a predefined limit for the number of parallel processes that can be executed, and this limit has been reached.
  Resource Constraints: The underlying hardware or system resources (CPU, memory) may be insufficient to handle the number of processes being requested.
  
  Solution:
  
  
  Increase the Maximum Number of Processes:
  
  You can increase the limit for the maximum number of processes that can be started simultaneously. This can be done by adjusting the relevant configuration settings in the SAP system.
  Navigate to the transaction RZ10 to change the profile parameters. Look for parameters like rdisp/wp_no_btc (for background work processes) and rdisp/wp_no_dia (for dialog work processes) and increase their values as needed.
  After making changes, you will need to restart the SAP instance for the changes to take effect.
  
  
  
  Optimize Background Jobs:
  
  Review the scheduled background jobs and see if they can be optimized or rescheduled to run at different times to reduce the load on the system.
  Consider staggering the execution of jobs that are resource-intensive.
  
  
  
  Monitor System Performance:
  
  Use transaction SM37 to monitor the status of background jobs and identify any that are taking longer than expected or failing.
  Use transaction ST03N to analyze workload and performance metrics to identify bottlenecks.
  
  
  
  Check for Errors:
  
  Investigate any specific errors in the job logs that may indicate why certain processes are failing or taking longer than expected.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may provide additional guidance or patches related to this error.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  RZ10: Profile parameter maintenance.
  SM37: Monitor background jobs.
  ST03N: Workload analysis.
  
  
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on configuring background processing and performance tuning.
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to resolve the error and improve the performance of your SAP APO system.