How To Fix MK016 - Processing was started with &1 parallel processes

SAP Error Message - Details

• Message type: E = Error

• Message class: MK - Mass Handling in the Material Master

• Message number: 016

• Message text: Processing was started with &1 parallel processes

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MK016 - Processing was started with &1 parallel processes ?

  The SAP error message MK016, which states "Processing was started with &1 parallel processes," typically occurs when a transaction or process in SAP is attempting to start more parallel processes than the system is configured to handle. This can happen in various scenarios, such as during batch processing, data uploads, or when executing certain reports.
  Cause:
  
  Exceeding Parallel Processing Limits: The system has a limit on the number of parallel processes that can be executed simultaneously. If a user or a program tries to initiate more processes than this limit, the error will occur.
  Configuration Settings: The configuration settings for parallel processing in the SAP system may be set too low, or the process being executed is inherently designed to spawn multiple parallel processes.
  Resource Constraints: The underlying hardware or system resources may not be sufficient to handle the requested number of parallel processes.
  
  Solution:
  
  
  Check and Adjust Parallel Processing Settings:
  
  You can check the configuration settings for parallel processing in transaction RZ10 or RZ11. Look for parameters like rdisp/wp_no_dia (number of dialog work processes) and rdisp/wp_no_btc (number of background work processes).
  Adjust these parameters if necessary, but ensure that the changes are within the limits of your system's capacity.
  
  
  
  Limit the Number of Parallel Processes:
  
  If you are executing a transaction or report that allows you to specify the number of parallel processes, reduce this number to stay within the system's limits.
  
  
  
  Monitor System Performance:
  
  Use transaction SM50 or SM66 to monitor the current workload and see how many processes are currently running. This can help you understand if the system is already under heavy load.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide guidance on best practices for parallel processing.
  
  
  
  System Upgrade or Optimization:
  
  If your business needs require more parallel processing capabilities, consider upgrading your hardware or optimizing your SAP system configuration to better handle the load.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SM50 - Monitor work processes
  SM66 - Global work process overview
  RZ10 - Profile maintenance
  RZ11 - Profile parameter maintenance
  
  
  SAP Notes: Always check for the latest SAP Notes related to parallel processing and performance tuning.
  Documentation: Review SAP documentation on parallel processing and performance optimization 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.