How To Fix UJB_EXCEPTION174 - BPF: Instance Job of ID &1 and GUID &2, instance is already started.

SAP Error Message - Details

• Message type: E = Error

• Message class: UJB_EXCEPTION - BPC: BPF Message Class

• Message number: 174

• Message text: BPF: Instance Job of ID &1 and GUID &2, instance is already started.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UJB_EXCEPTION174 - BPF: Instance Job of ID &1 and GUID &2, instance is already started. ?

  The SAP error message UJB_EXCEPTION174 indicates that there is an issue with a Business Process Framework (BPF) instance job that is already in progress. This error typically occurs when there is an attempt to start a BPF instance that is already running, which can lead to conflicts and inconsistencies in the process execution.
  Cause:
  
  Concurrent Execution: The most common cause of this error is that the BPF instance with the specified ID and GUID is already running. SAP does not allow multiple instances of the same job to run simultaneously to prevent data corruption or inconsistencies.
  Job Scheduling Issues: There may be issues with the job scheduling or execution logic that inadvertently triggers the same job multiple times.
  System or Network Delays: Sometimes, delays in the system or network can cause the job status to not update correctly, leading to the perception that the job is still running when it has actually completed.
  
  Solution:
  
  Check Job Status: Verify the status of the BPF instance job using transaction codes like SM37 (Job Monitoring) to see if the job is indeed still running. If it is, you may need to wait for it to complete.
  Terminate the Job: If the job is stuck or running longer than expected, you may need to terminate it. This can be done through the job monitoring transaction (SM37) by selecting the job and choosing the option to cancel or terminate it.
  Review Job Scheduling: Check the scheduling logic to ensure that jobs are not being triggered multiple times inadvertently. This may involve reviewing the BPF configuration and any associated triggers or schedules.
  Error Handling: Implement error handling in your BPF processes to manage situations where a job might be attempted to start while another instance is still running.
  Consult Documentation: Refer to SAP documentation or support notes related to BPF and job scheduling for any specific recommendations or patches that may address this issue.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or fixes related to this error.
  BPF Configuration: Review the configuration settings for the BPF to ensure that it is set up correctly and that there are no conflicting settings.
  System Logs: Look into system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.