How To Fix CAWUSL310 - The maximum number of parallel processes was set to &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CAWUSL - Message Class for Generic Table Browser

• Message number: 310

• Message text: The maximum number of parallel processes was set to &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CAWUSL310 - The maximum number of parallel processes was set to &1 ?

  The SAP error message CAWUSL310 indicates that the maximum number of parallel processes has been reached. This typically occurs in scenarios where multiple background jobs or processes are trying to execute simultaneously, and the system has a limit on how many can run in parallel.
  Cause:
  
  System Configuration: The maximum number of parallel processes is defined in the system configuration. If the limit is reached, new requests will be queued until a slot becomes available.
  High Load: A sudden spike in background job submissions or processes can lead to this error, especially during peak times or batch processing.
  Job Scheduling: If jobs are scheduled to run at the same time without proper staggering, it can lead to reaching the maximum limit.
  
  Solution:
  
  
  Increase the Limit: If the current limit is too low for your business needs, you can increase the maximum number of parallel processes. This can be done in the SAP system configuration:
  
  Go to transaction RZ10 to change the profile parameters.
  Look for the parameter rdisp/wp_no_btc (for background work processes) and increase its value.
  After making changes, you will need to restart the instance for the changes to take effect.
  
  
  
  Optimize Job Scheduling: Review the scheduled jobs and try to stagger their execution times to avoid hitting the limit. You can use transaction SM37 to monitor and manage background jobs.
  
  
  Monitor System Performance: Use transaction ST03N or ST06 to monitor system performance and identify if there are any bottlenecks or if the system is under heavy load.
  
  
  Check for Long-Running Jobs: Identify if there are any jobs that are taking longer than expected and optimize them if possible. This can free up resources for new jobs.
  
  
  Review Job Priorities: Adjust the priorities of background jobs to ensure that critical jobs are processed first.
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM37: Monitor background jobs.
  RZ10: Change profile parameters.
  ST03N: Analyze workload and performance.
  ST06: Monitor system performance.
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on configuring background processing and managing job scheduling.
  
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to this error message.
  
  
  By following these steps, you should be able to resolve the CAWUSL310 error and optimize your SAP system's background processing capabilities.