How To Fix /ACCGO/CAS_FLLW_MSG844 - Error occured while parallel processing

SAP Error Message - Details

• Message type: E = Error

• Message class: /ACCGO/CAS_FLLW_MSG -

• Message number: 844

• Message text: Error occured while parallel processing

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ACCGO/CAS_FLLW_MSG844 - Error occured while parallel processing ?

  The SAP error message /ACCGO/CAS_FLLW_MSG844 indicating "Error occurred while parallel processing" typically arises in the context of the SAP system's parallel processing capabilities, particularly in the context of financial applications or data processing tasks. This error can occur for various reasons, including configuration issues, data inconsistencies, or resource limitations.
  Causes:
  
  
  Configuration Issues: Incorrect settings in the parallel processing configuration can lead to errors. This includes settings related to the number of parallel processes allowed or the resources allocated to them.
  
  
  Data Inconsistencies: If the data being processed contains inconsistencies or errors, it can cause parallel processing to fail. This might include missing data, invalid entries, or data that does not meet the required criteria.
  
  
  Resource Limitations: The system may not have enough resources (CPU, memory, etc.) to handle the parallel processing requests, leading to failures.
  
  
  Locking Issues: If multiple processes are trying to access the same data simultaneously, it can lead to locking issues, causing the parallel processing to fail.
  
  
  System Bugs: There may be bugs in the SAP system or specific components that can lead to this error.
  
  
  Solutions:
  
  
  Check Configuration: Review the configuration settings for parallel processing in the relevant SAP module. Ensure that the settings are appropriate for your system's capabilities.
  
  
  Data Validation: Validate the data being processed to ensure there are no inconsistencies or errors. This may involve checking for missing or invalid entries.
  
  
  Monitor System Resources: Use transaction codes like ST02 (Tune Summary) or ST03 (Workload Analysis) to monitor system performance and resource usage. If resources are constrained, consider optimizing the workload or increasing system resources.
  
  
  Review Logs: Check the application logs (transaction SLG1) for more detailed error messages that can provide insights into what went wrong during the parallel processing.
  
  
  Adjust Parallel Processing Parameters: If the system is struggling with the current parallel processing load, consider adjusting the parameters to reduce the number of parallel processes or to increase the timeouts.
  
  
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates available that resolve known issues.
  
  
  Contact SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM37 (Job Monitoring), ST22 (Dump Analysis), and SLG1 (Application Log) to help diagnose and troubleshoot the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review the official SAP documentation for the specific module you are working with, as it may provide additional insights into parallel processing configurations and best practices.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution.