How To Fix RT139 - Long-running report &4 has been running &1 &3 in dialog. Threshold: &2 &3

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 139

• Message text: Long-running report &4 has been running &1 &3 in dialog. Threshold: &2 &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RT139 - Long-running report &4 has been running &1 &3 in dialog. Threshold: &2 &3 ?

  The SAP error message RT139 indicates that a long-running report is taking longer than expected to execute in dialog mode. This message is typically a warning that the report has exceeded a predefined threshold for execution time, which can lead to performance issues or user frustration.
  Cause:
  
  Long Execution Time: The report is processing a large amount of data or performing complex calculations, leading to extended execution time.
  Database Performance: Slow database performance due to locks, inefficient queries, or lack of proper indexing can contribute to long-running reports.
  System Resources: Insufficient system resources (CPU, memory, etc.) can slow down report execution.
  Inefficient Code: The report may contain inefficient code or logic that causes it to run longer than necessary.
  High User Load: A high number of concurrent users running reports can lead to resource contention and slow performance.
  
  Solution:
  
  
  Optimize the Report:
  
  Review the report logic and SQL queries for optimization opportunities.
  Ensure that the report is using appropriate indexes and that the database is well-tuned.
  Consider breaking down the report into smaller, more manageable parts if possible.
  
  
  
  Increase Threshold:
  
  If the report is expected to run for a long time due to its nature, consider increasing the threshold for long-running reports in the system settings. This can be done in transaction RZ11 by adjusting the parameter rdisp/max_wprun_time.
  
  
  
  Monitor System Performance:
  
  Use transaction ST03N or ST04 to monitor system performance and identify bottlenecks.
  Check for locks or long-running database transactions that may be affecting performance.
  
  
  
  Schedule Background Jobs:
  
  If the report does not need to be run in dialog mode, consider scheduling it as a background job instead. This can help avoid performance issues for users.
  
  
  
  Check for Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as performance improvements and bug fixes are often included in these updates.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address specific issues related to the report or performance.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  RZ11: To change system parameters.
  ST03N: To analyze workload and performance.
  ST04: To monitor database performance.
  SM37: To check job logs for background jobs.
  
  
  
  SAP Documentation: Refer to SAP Help documentation for best practices on report performance and optimization.
  
  
  Performance Tuning: Consider engaging with SAP Basis or ABAP developers for deeper analysis and tuning of the report and system performance.
  
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the occurrence of the RT139 error and improve the performance of long-running reports in your SAP system.