How To Fix UPS404 - Error generating a parallel process

SAP Error Message - Details

• Message type: E = Error

• Message class: UPS - ALE Distribution Packet

• Message number: 404

• Message text: Error generating a parallel process

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message UPS404 - Error generating a parallel process ?

  The SAP error message UPS404, which indicates "Error generating a parallel process," typically occurs in the context of background processing or parallel processing in SAP systems. This error can arise due to various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Possible Causes:
  
  Resource Limitations: The system may not have enough resources (CPU, memory) to spawn new parallel processes.
  Configuration Issues: Incorrect configuration settings for parallel processing in the SAP system can lead to this error.
  System Load: High system load or contention for resources can prevent the creation of new parallel processes.
  Authorization Issues: The user or process may lack the necessary authorizations to create or manage parallel processes.
  Background Job Settings: Issues with the background job settings or parameters can also lead to this error.
  Database Locks: Locks on database tables or other resources can prevent the parallel process from being generated.
  
  Solutions:
  
  Check System Resources: Monitor the system's CPU and memory usage. If resources are low, consider optimizing the workload or increasing system resources.
  Review Configuration: Verify the configuration settings for parallel processing in transaction codes like RZ10 (profile parameters) and RZ12 (instance profile).
  Analyze System Load: Use transaction ST03N to analyze workload and identify any bottlenecks or high load periods.
  Check Authorizations: Ensure that the user or process has the necessary authorizations to create parallel processes. Use transaction SU53 to check for authorization issues.
  Adjust Background Job Parameters: Review and adjust the parameters for background jobs in transaction SM37. Ensure that the job is configured correctly for parallel processing.
  Database Monitoring: Use transaction DB02 to check for locks or performance issues in the database that might be affecting parallel processing.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches and updates.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM37 (Job Monitoring), ST22 (Dump Analysis), and SM21 (System Log) for further investigation.
  SAP Community: Engage with the SAP Community forums for insights and shared experiences from other users who may have encountered similar issues.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed logs and error messages for better diagnosis.
  
  By systematically addressing these areas, you should be able to identify the root cause of the UPS404 error and implement an appropriate solution.