How To Fix TG426 - An instance of the analysis program is already running

SAP Error Message - Details

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 426

• Message text: An instance of the analysis program is already running

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message TG426 - An instance of the analysis program is already running ?

  The SAP error message TG426, which states "An instance of the analysis program is already running," typically occurs when a user attempts to start a report or analysis that is already being executed in the background or foreground by the same user or another user. This can happen in various SAP modules, particularly in reporting and analysis tools.
  Cause:
  
  Concurrent Execution: The most common cause is that the same report or analysis is already running. SAP restricts multiple instances of the same report to avoid data inconsistencies and resource conflicts.
  Background Jobs: If a background job is already processing the same analysis, it will prevent new instances from being started.
  Session Issues: Sometimes, a previous session may not have terminated properly, leaving a hanging process.
  User Lock: The user may have a lock on the report due to a previous execution that has not yet completed.
  
  Solution:
  
  
  Check Running Instances:
  
  Use transaction code SM37 to check for any running jobs related to the analysis program. Look for jobs with the same name and see if they are still in process.
  If you find a job that is stuck or taking too long, you may need to terminate it if you have the necessary permissions.
  
  
  
  Wait for Completion:
  
  If another instance is running, you may need to wait for it to complete before starting a new one.
  
  
  
  Terminate Stuck Jobs:
  
  If you identify a job that is stuck, you can terminate it from the SM37 transaction by selecting the job and choosing the option to cancel it.
  
  
  
  Check User Sessions:
  
  Ensure that you do not have multiple sessions open that are trying to run the same report. Close any unnecessary sessions.
  
  
  
  Contact Administrator:
  
  If you are unable to resolve the issue, contact your SAP system administrator for assistance. They may have additional tools or permissions to investigate and resolve the issue.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM37 (Job Monitoring) and SM21 (System Log) for troubleshooting.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific analysis program you are using.
  Performance Considerations: If this error occurs frequently, it may be worth investigating the performance of the report or analysis program to optimize its execution time.
  
  By following these steps, you should be able to resolve the TG426 error and successfully run your analysis program.