How To Fix TPDAPI021 - Debuggee session stopped

SAP Error Message - Details

• Message type: E = Error

• Message class: TPDAPI - Debugger API

• Message number: 021

• Message text: Debuggee session stopped

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.

Unfortunately, there isn't any extra information in this error notice.

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TPDAPI021 - Debuggee session stopped ?

  The SAP error message TPDAPI021: Debuggee session stopped typically occurs during debugging sessions in the ABAP environment. This message indicates that the debug session has been terminated unexpectedly. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  User Action: The user may have manually stopped the debugging session.
  Session Timeout: The debug session may have timed out due to inactivity.
  System Issues: There could be underlying system issues, such as memory constraints or performance problems.
  Code Issues: The code being debugged may have encountered an exception or error that caused the debugger to stop.
  Transport Issues: If the debugging session is related to a transport request, issues with the transport system may cause the session to terminate.
  
  Solutions:
  
  Restart Debugging: Simply restart the debugging session. Ensure that you are following the correct steps to initiate the debug process.
  Check for Exceptions: Review the code for any exceptions or errors that may have caused the debugger to stop. Use transaction codes like ST22 to check for dumps.
  Increase Timeout Settings: If the session is timing out, consider increasing the timeout settings in the SAP system.
  System Performance: Monitor system performance and resource usage. If the system is under heavy load, consider optimizing performance or scheduling debugging sessions during off-peak hours.
  Check User Permissions: Ensure that the user has the necessary permissions to debug the program. Lack of permissions can sometimes lead to unexpected termination of the session.
  Review Transport Logs: If the issue is related to a transport request, check the transport logs for any errors or warnings that may indicate what went wrong.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator), SE37 (Function Module), and ST22 (Dump Analysis) for debugging and analysis.
  SAP Notes: Check SAP Notes for any known issues or patches related to the debugging environment. You can search for specific error messages or symptoms in the SAP Support Portal.
  Debugging Best Practices: Follow best practices for debugging in SAP, such as using breakpoints effectively, avoiding long-running processes during debugging, and ensuring that the environment is stable.
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP Basis team or SAP support for further assistance.