How To Fix LTR2_ES_OBTREP141 - Preselection scheduler is already running

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_ES_OBTREP -

• Message number: 141

• Message text: Preselection scheduler is already running

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message LTR2_ES_OBTREP141 - Preselection scheduler is already running ?

  The SAP error message LTR2_ES_OBTREP141 indicates that the preselection scheduler is already running. This typically occurs in the context of SAP Landscape Transformation (SLT) or data replication scenarios where the system is trying to initiate a process that is already active.
  Cause:
  
  Concurrent Execution: The preselection scheduler is designed to run specific tasks at scheduled intervals. If a new instance of the scheduler is triggered while another instance is still running, this error will occur.
  Long-Running Processes: If the previous instance of the scheduler is taking longer than expected to complete, it may block new requests.
  System Configuration: There may be configuration settings that allow multiple instances to run, but they are not set up correctly.
  
  Solution:
  
  
  Check Running Processes: 
  
  Use transaction codes like SM37 to check for any active jobs related to the preselection scheduler. If you find a job that is still running, you may need to wait for it to complete.
  
  
  
  Terminate Long-Running Jobs: 
  
  If a job is stuck or taking too long, you may need to terminate it. Be cautious with this approach, as it may lead to data inconsistencies.
  
  
  
  Review Scheduler Settings: 
  
  Check the configuration settings for the preselection scheduler to ensure that it is not set to allow multiple concurrent executions unless intended.
  
  
  
  System Logs: 
  
  Review system logs (transaction SLG1) for any additional error messages or warnings that might provide more context about why the scheduler is running longer than expected.
  
  
  
  Restart the Scheduler: 
  
  If necessary, you can restart the scheduler after ensuring that no other instances are running. This can sometimes resolve temporary issues.
  
  
  
  Consult Documentation: 
  
  Refer to SAP documentation or notes related to the specific version of SLT you are using for any known issues or patches that might address this error.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any updates or patches related to this error message. SAP frequently releases notes that address specific issues.
  Performance Tuning: If the preselection scheduler frequently runs into this issue, consider reviewing the performance of the underlying database and the SLT configuration to optimize processing times.
  Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if this is impacting production systems.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the error message LTR2_ES_OBTREP141.