How To Fix TPDA641 - Breakpoints cannot be saved for the START_UP session

SAP Error Message - Details

• Message type: E = Error

• Message class: TPDA - Debugger

• Message number: 641

• Message text: Breakpoints cannot be saved for the START_UP session

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TPDA641 - Breakpoints cannot be saved for the START_UP session ?

  The SAP error message TPDA641, which states "Breakpoints cannot be saved for the START_UP session," typically occurs when you are trying to set breakpoints in a session that is not intended for debugging. This can happen in various scenarios, such as when you are working with a background job or a session that is not interactive.
  Cause:
  
  Non-Interactive Session: The START_UP session is usually a non-interactive session, which means it does not support debugging features like breakpoints.
  Background Processing: If you are trying to debug a program that is running in the background or as part of a batch job, breakpoints cannot be set.
  Incorrect Session Type: The session you are working in may not be the correct type for debugging.
  
  Solution:
  
  Use an Interactive Session: Ensure that you are working in an interactive session. You can do this by executing the program directly in the SAP GUI rather than through a background job or a startup session.
  Debugging in the Right Context: If you need to debug a background job, consider using transaction SM37 to find the job and then use the /h command to activate debugging for that job. You may need to adjust the job settings to allow for debugging.
  Check User Authorizations: Ensure that you have the necessary authorizations to set breakpoints and debug programs in your SAP environment.
  Use the Debugger Properly: If you are trying to debug a program, make sure to start the debugger correctly by using the appropriate transaction (like SE80 or SE38) and then executing the program in debug mode.
  
  Related Information:
  
  Debugging Transactions: Familiarize yourself with the various debugging transactions in SAP, such as SE80 (Object Navigator), SE38 (ABAP Editor), and SE37 (Function Module).
  SAP Notes: Check SAP Notes for any specific issues related to debugging in your version of SAP, as there may be version-specific considerations.
  SAP Community: Engage with the SAP Community forums for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the TPDA641 error and successfully set breakpoints in your SAP sessions.