How To Fix /PM0/ABP_PP051 - Parallel job is active by user &1; job ends automatically

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/ABP_PP -

• Message number: 051

• Message text: Parallel job is active by user &1; job ends automatically

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/ABP_PP051 - Parallel job is active by user &1; job ends automatically ?

  The SAP error message /PM0/ABP_PP051 Parallel job is active by user &1; job ends automatically typically indicates that a parallel processing job is already running for the user specified in the error message. This can occur in scenarios where multiple instances of a job are not allowed to run simultaneously, and the system is trying to start a new instance while another one is still active.
  Cause:
  
  Concurrent Job Execution: The user is attempting to start a parallel job that is already running.
  Job Configuration: The job may be configured to allow only one instance per user or session.
  System Lock: There may be a lock in the system preventing the job from starting again until the previous instance completes.
  
  Solution:
  
  Check Active Jobs: Use transaction codes like SM37 to check for active jobs. Look for jobs that are running under the user specified in the error message.
  Wait for Completion: If the job is still running, you may need to wait for it to complete before starting a new instance.
  Terminate Job: If the job is stuck or taking too long, you may consider terminating it (if you have the necessary permissions) and then restarting the job.
  Review Job Configuration: If this is a recurring issue, review the job configuration to see if it can be adjusted to allow multiple instances or to better manage job execution.
  User Coordination: If multiple users are trying to run the same job, coordinate with them to avoid conflicts.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM37 (Job Monitoring), SM36 (Job Scheduling), and SM21 (System Log) for monitoring and managing jobs.
  Job Logs: Check the job logs for any additional error messages or warnings that might provide more context on why the job is not completing.
  SAP Notes: Look for relevant SAP Notes that might address specific issues related to parallel processing jobs.
  System Performance: Sometimes, system performance issues can cause jobs to hang or take longer than expected. Monitor system performance if this is a frequent issue.
  
  By following these steps, you should be able to resolve the error and manage parallel jobs more effectively in your SAP environment.