How To Fix TPDA642 - Watchpoints cannot be saved for the START_UP session

SAP Error Message - Details

• Message type: E = Error

• Message class: TPDA - Debugger

• Message number: 642

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

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message TPDA642 - Watchpoints cannot be saved for the START_UP session ?

  The SAP error message TPDA642 indicates that watchpoints cannot be saved for the START_UP session. This typically occurs in the context of debugging in the ABAP environment. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Session Type: The START_UP session is a special type of session that is used for system initialization and does not support the use of watchpoints. Watchpoints are typically used in debugging sessions to halt execution when certain conditions are met, but they are not applicable in the context of a startup session.
  Debugging Context: The error may arise when a developer attempts to set watchpoints while debugging a program that is running in a startup context, such as during the initialization of the SAP system or when certain background jobs are executed.
  
  Solution:
  
  
  Change Debugging Context: If you need to use watchpoints, ensure that you are debugging a regular ABAP program or transaction rather than a startup session. You can do this by:
  
  Running the program in a different session type that supports watchpoints.
  Using transaction codes like SE80 or SE38 to execute the program in a standard debugging session.
  
  
  
  Use Breakpoints Instead: If you need to debug the startup process, consider using breakpoints instead of watchpoints. Breakpoints can be set in the code to pause execution at specific lines, allowing you to inspect variables and program flow.
  
  
  Check for System Configuration: Ensure that your SAP system is configured correctly for debugging. Sometimes, system settings or user authorizations can affect debugging capabilities.
  
  
  Related Information:
  
  Debugging in SAP: Familiarize yourself with the different types of debugging sessions in SAP, including how to set breakpoints and watchpoints effectively.
  SAP Notes: Check SAP Notes for any specific updates or patches related to debugging issues. Sometimes, there may be known issues or enhancements that can resolve your problem.
  Documentation: Refer to the official SAP documentation for debugging techniques and best practices to understand the limitations and capabilities of the debugging environment.
  
  If the issue persists or if you require further assistance, consider reaching out to your SAP Basis team or SAP support for more tailored help.